tag:blogger.com,1999:blog-55971535153322112462024-03-05T01:01:07.053-08:00drmna.infoThe independent site for Digital Radio Mondiale (DRM) in North America (NA).Unknownnoreply@blogger.comBlogger412125tag:blogger.com,1999:blog-5597153515332211246.post-14046554405111227512024-02-07T14:31:00.000-08:002024-02-08T10:24:26.109-08:00Republic of Sakha DRM plans<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhSUaFJ4XMg_TykNhkF5wKKSGyNNswxFeu27BjdVOYmbOZH5NfM4Q2TTuchuPe8Pv8uqjO1I7F1Op6p6jN1ejMPDBEOwXAdArcuo5kJJ34WEmSgDlepZDH3F476-Erc2x6RgVIfqC6Ttnt5ZqGfHCjiCZmJgVOnZt9AwxXoCzJRA7HZ4lHNtzzwjbmbGYzi" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img alt="" data-original-height="251" data-original-width="347" height="231" src="https://blogger.googleusercontent.com/img/a/AVvXsEhSUaFJ4XMg_TykNhkF5wKKSGyNNswxFeu27BjdVOYmbOZH5NfM4Q2TTuchuPe8Pv8uqjO1I7F1Op6p6jN1ejMPDBEOwXAdArcuo5kJJ34WEmSgDlepZDH3F476-Erc2x6RgVIfqC6Ttnt5ZqGfHCjiCZmJgVOnZt9AwxXoCzJRA7HZ4lHNtzzwjbmbGYzi" width="320" /></a></div><i><span style="font-size: x-small;">(Machine translation of article in French)</span></i><p></p><p>"The Republic of Sakha (Yakutia) will reopen the legendary Radio Center No. 1 so that people in all corners of the vast Yakutia can benefit from reliable, high-quality radio communications.</p><p>This was stated by Viktor Sergeev, Director General of ArcticTelecom, at the end of his meeting with Vladimir Kalchenko, the Plenipotentiary Representative of the Director General of FSUE RTRS in the Siberian Federal District on 26 January.</p><p>Three years ago, the State Unitary Enterprise "Technical Centre for Television and Radio Broadcasting" of the Republic of Sakha (Yakutia) was transformed into a joint stock company "ArcticTelecom". The new company's mission was to bring the small republic into the digital air. In addition to the development of fibre optics and broadband, the programme also included working on the design and implementation of a high-power digital radio broadcasting network to the DRM standard with 100% coverage of the entire territory of the Sakha Republic.</p><p>The issue had been under consideration since 2020, following a report on "the prospects for the development of powerful digital broadcasting in the Arctic area of Yakutia" that was released at the 10th International Forum "The Arctic: Present and Future".</p><p>The centre had not been dismantled and the general manager said he visited the site with the Deputy Minister of Innovation and presented plans for the restoration of the facility. Since last year, a number of scientific studies have been carried out, including measuring the capabilities of the transmitter's antenna systems. The results obtained are encouraging and that they had the support of RTRS colleagues on technical issues. He did not provide any other technical information.</p><p>The former Radio Center No. 1 is located in Syrdakh, near Tulagino and the capital Yakutsk (62°14'20"N 129°48'54"). It was built in 1966.</p><p>The center broadcast on the long waves: 171 kHz 150 kW Radio Russia.</p><p>There were 5 mediumwave transmitters (549 kHz, 50 kW, Radio Mayak - 621 kHz, 25 kW, Radio 1 - 864 kHz, 25 kW Radio Sakha - 1449 kHz, 5 kW Radio Lena and 1584 kHz, 1 kW Yunost).</p><p>There were 6 shortwave transmitters with outputs of 2 x 5 kW, 1 x 100 kW and 2 x 250 kW."</p><p>Source: Radio Magazine, Facebook Source: <a href="https://t.me/VictorSergeev_connect/113">https://t.me/VictorSergeev_connect/113</a> (no mention of DRM)</p><p><br /></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-7490458288260576962023-12-20T10:55:00.000-08:002023-12-20T11:08:48.402-08:00Merry Christmas and Happy New Year to all!<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNxbcTHXKGtc9JG_6iO7o15yzFEoNYAy2hUBe17Da6dKFD2vEu1HL_DSnn0K9c96Qen1NTaP-Gd_fsHB7q6ORH9HEX1789y6DOU509cfn3NNDlq9csVfBY8jkfyEN6uj0KqxEH-MhI3_iQXQ7RFpf0X1GtD0GOVOqGjKoXZGUAutTayb2olLbyUPq3xWxc/s1024/_33ae3c7d-5377-4d1a-bc5b-f77b28a3a3a8.jpg" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="1024" data-original-width="1024" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNxbcTHXKGtc9JG_6iO7o15yzFEoNYAy2hUBe17Da6dKFD2vEu1HL_DSnn0K9c96Qen1NTaP-Gd_fsHB7q6ORH9HEX1789y6DOU509cfn3NNDlq9csVfBY8jkfyEN6uj0KqxEH-MhI3_iQXQ7RFpf0X1GtD0GOVOqGjKoXZGUAutTayb2olLbyUPq3xWxc/w400-h400/_33ae3c7d-5377-4d1a-bc5b-f77b28a3a3a8.jpg" width="400" /></a></div><div style="text-align: left;"><span style="color: #38761d;">DRMNA.info wishes you all the best for Christmas and for the New Year. Let's wish for new receivers and additional DRM broadcasts worldwide!</span></div> <p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-37689090901989337482023-11-26T21:32:00.000-08:002023-11-27T10:43:52.333-08:00Mystery Asian DRM signal on 927 kHz<p>UPDATE 202301127: @fractional_n posts - "Probably North Korea.</p><p>The North Korean station at 6140kHz also had an ID=64."</p><p><br /></p><p>From @fractional_n (located near Tokyo) on Twitter:</p><p>(Machine translated from Japanese) "From last night's medium wave record</p><p>I discovered that DRM waves are being emitted at 927kHz!</p><p><a href="https://blogger.googleusercontent.com/img/a/AVvXsEg-iSiIXyk3DxFJOF83fuyR3K6CIPoSCMxL7fZ-ZXjNKWQjOnQYj1sblUSrgwbrv6XOGljAACVgxzjst_Rbs7UpoW8Mvc5diD_f7W9Dk7Y1-eZ3H4vuf7C510jI9NwV09mKx0IFB7ulBe32r0Zt0LH8D1LlWjd_VSlYvPYGGDLpFww7uidL1OECDxtm41g3" style="clear: left; display: inline; margin-bottom: 1em; margin-right: 1em; text-align: center;"><img alt="" data-original-height="1043" data-original-width="1920" height="217" src="https://blogger.googleusercontent.com/img/a/AVvXsEg-iSiIXyk3DxFJOF83fuyR3K6CIPoSCMxL7fZ-ZXjNKWQjOnQYj1sblUSrgwbrv6XOGljAACVgxzjst_Rbs7UpoW8Mvc5diD_f7W9Dk7Y1-eZ3H4vuf7C510jI9NwV09mKx0IFB7ulBe32r0Zt0LH8D1LlWjd_VSlYvPYGGDLpFww7uidL1OECDxtm41g3=w400-h217" width="400" /></a></p><p>Although NHK Kofu Daiichi is strong, the SNR increases to a maximum of 8 dB. ID=64 and no station name label is displayed. However, the contents of the data cannot be demodulated. It seems that the data format cannot be decoded by Dream.</p><p>It is speculated that it probably originates from China or North Korea."</p><p>Any ideas?</p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-36504629850851777292023-11-13T08:28:00.000-08:002023-11-26T17:19:39.490-08:00CNR-1 China DRM Test<p> </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhfBTY2COwHKeINOUYVM0HasEGbPK7S2zEE2-EN8beQ1xzgzo_iRytLrWsUVoszi2fUDDuNVciHbByHmHE3yKUD8E-4wKH-SC1X4iZ-FHtpmTrZTu1W9bD8k5v2Aorb8ZSNsWMO1SceNA0zMdr-wFj5gOZX6HIFTMkZYTYBex2DWObCSCQrslNwgjO-wKdn" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img alt="" data-original-height="853" data-original-width="1280" height="213" src="https://blogger.googleusercontent.com/img/a/AVvXsEhfBTY2COwHKeINOUYVM0HasEGbPK7S2zEE2-EN8beQ1xzgzo_iRytLrWsUVoszi2fUDDuNVciHbByHmHE3yKUD8E-4wKH-SC1X4iZ-FHtpmTrZTu1W9bD8k5v2Aorb8ZSNsWMO1SceNA0zMdr-wFj5gOZX6HIFTMkZYTYBex2DWObCSCQrslNwgjO-wKdn" width="320" /></a></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div><br /></div><div>CNR-1 DRM test </div><div>(NOTE: Broadcasts are reportedly in 11.64kbps UEP (21.6%) aac Mono)</div><div><br /></div><div>Beijing 30kW 0deg ID:3ED</div><div>6030 2025-1805 (Tue 0600-0900 off)</div><div>13825 0100-0900 </div><div><br /></div><div>Dongfang 30kW 16deg ID:3ED</div><div>17770 0100-0900 </div><div><br /></div><div>Kunming 30kW 32deg ID:2</div><div>15180 0100-0400 0800-1100</div><div>17800 0400-0800</div><div><br /></div><div>Qiqihar 30kW 225deg ID:1</div><div>13850 0000-0400</div><div>11990 0400-0900 </div><div>13710 0900-1200</div><div><br /></div><div><div>Urumqi 30kW 98deg ID:3EC</div><div>9655 2200-0100</div><div>17830 0100-0800</div><div>9655 0800-1200</div><div><br /></div><div>(Dongfang 30kW 41deg 11695kHz is registered but has not been used.) </div><div><br /></div><div>https://cahcn.github.io/drm/</div><div><br /></div><div>Translated Info courtesy of Takahito Akabayashi (from WOR list)</div></div><div><br /></div><p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-38661927071168085852023-11-07T08:43:00.002-08:002023-11-07T08:43:29.945-08:00 "Music 4 Joy" switches to DRM only<p> "Music 4 Joy" switches to DRM only.</p><p>From Nauen:</p><p><a href="https://media-broadcast.com/wp-content/uploads/2023/11/MBR_B23_operational_schedule_20231029.pdf">https://media-broadcast.com/wp-content/uploads/2023/11/MBR_B23_operational_schedule_20231029.pdf</a></p><p>7225 kHz 1830-1930 UTC 101 deg 100kW</p><p>9810 kHz 2000-2100 UTC 213 deg 100kW</p><p>13650 kHz 1300-1400 UTC 62 deg 100kW</p><p>13710 kHz 1800-1900 UTC 158 deg 100kW</p><p><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgYkGj26q4lV0uRQdnzM-qBWZwA3J2b5XVz3znnMOn4nEBZm7eFSGo67j_gVQ0Wq5W3dJghAzeN8_3rWr3edy3QHgL9OJPwoFnoNnrFDmXFCXNV55qf-95z-YsXX8P_GquJZVghufQWcJ3kve8vl3U9A2nFmSguvg1kbp4u6LxFbZd5rxNAtwOkZLmKTIwe" style="clear: left; display: inline !important; margin-bottom: 1em; margin-right: 1em; text-align: center;"><img alt="" data-original-height="200" data-original-width="272" height="235" src="https://blogger.googleusercontent.com/img/a/AVvXsEgYkGj26q4lV0uRQdnzM-qBWZwA3J2b5XVz3znnMOn4nEBZm7eFSGo67j_gVQ0Wq5W3dJghAzeN8_3rWr3edy3QHgL9OJPwoFnoNnrFDmXFCXNV55qf-95z-YsXX8P_GquJZVghufQWcJ3kve8vl3U9A2nFmSguvg1kbp4u6LxFbZd5rxNAtwOkZLmKTIwe" width="320" /></a></p><br /><p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-74610375540185028172023-11-04T08:05:00.001-07:002023-12-09T07:55:23.494-08:00Radio Romania International releases Winter DRM schedule<p>Radio Romania International will be broadcasting much of their content in DRM. Here is the Winter 2023-2024 broadcast schedule: </p><p>UPDATE: Spanish DRM 22:00 UTC 9490 kHz.<br /><br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjutFlI-vzCocRwc33THlqZtjxCDgR0pJDvSwFhJ6fN3f_fGD6S438xft7eXaX6uo5-5sVRFfLpIvx-UCneJALb8tEFs4f-S9BVwDIOaB1bEN9QEdlp8CED3fssx5c1GOpbBkbY5cfHclY2DhS1GJABrmwvs_z1qCpFIV_i5aE1HA5V44BPu7QDxX3vrqmh" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="831" data-original-width="979" height="542" src="https://blogger.googleusercontent.com/img/a/AVvXsEjutFlI-vzCocRwc33THlqZtjxCDgR0pJDvSwFhJ6fN3f_fGD6S438xft7eXaX6uo5-5sVRFfLpIvx-UCneJALb8tEFs4f-S9BVwDIOaB1bEN9QEdlp8CED3fssx5c1GOpbBkbY5cfHclY2DhS1GJABrmwvs_z1qCpFIV_i5aE1HA5V44BPu7QDxX3vrqmh=w640-h542" width="640" /></a></div><br /><p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-42185414377910053862023-10-30T15:06:00.001-07:002023-10-30T15:56:37.054-07:00CML Micro's DRM1000 chipset and new Gospell receivers<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhjp3kDR2a32vj-2WYf4MUddSoIldCvH2a1bAyJwRfMVpkgwFkWIvs9JflAvnydpB7a-w1ZP4kPjQS5rik6kxZsw6fHrlbpEC0ANK1JG3Y8qI-aLeFILgR3_EWcsSuQkofTUFmA1vw3x9RH3-ZyQQzGSJxiTa6kTrevoGd6OTFcPMvO56SbYCmSHM_c-PuA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="329" data-original-width="491" height="214" src="https://blogger.googleusercontent.com/img/a/AVvXsEhjp3kDR2a32vj-2WYf4MUddSoIldCvH2a1bAyJwRfMVpkgwFkWIvs9JflAvnydpB7a-w1ZP4kPjQS5rik6kxZsw6fHrlbpEC0ANK1JG3Y8qI-aLeFILgR3_EWcsSuQkofTUFmA1vw3x9RH3-ZyQQzGSJxiTa6kTrevoGd6OTFcPMvO56SbYCmSHM_c-PuA" width="320" /></a></div><p>"The DRM1000 contains all the hardware, software, IP and patent licenses required for a radio equipment manufacturer to produce a dual-mode (digital and analog) DRM-capable receiver. It offers a 60% cost reduction and 80% power reduction over existing DRM technologies, according to the company. CML Micro notes that the device can run effectively from solar or wind-up rechargeable batteries, as well as small disposable batteries. "</p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhI1YTZlGTIxqEkIslx8aP-mlrVvWcyK--N8y001BU_E-emmMqaGDGgOfirHAMiaJu54KzPRnTE-o4njgGEmdSZQYXyewADBKvygT-NtIuGW9xp_2XydgfJXIcDNoqvA6-57S7gTbyLNhzHMPhHUfCwEOSZW9571EVnZB98CYKHJzgoZFT-LVxcoOvXrXW0" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="457" data-original-width="726" height="201" src="https://blogger.googleusercontent.com/img/a/AVvXsEhI1YTZlGTIxqEkIslx8aP-mlrVvWcyK--N8y001BU_E-emmMqaGDGgOfirHAMiaJu54KzPRnTE-o4njgGEmdSZQYXyewADBKvygT-NtIuGW9xp_2XydgfJXIcDNoqvA6-57S7gTbyLNhzHMPhHUfCwEOSZW9571EVnZB98CYKHJzgoZFT-LVxcoOvXrXW0" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><span style="text-align: left;"><br /><div style="text-align: left;">“We are truly honored to collaborate with CML Micro in launching two groundbreaking DRM receivers based on the DRM1000 module, namely the GR-220 and GR-221,” stated Haochun Liu, head of research and development at Gospell. “We’re confident that our combined efforts will not only deliver unparalleled value to people but also pave the way for the next chapter in DRM technology.”</div></span></div><p> </p><a href="https://www.radioworld.com/news-and-business/show-news/ibc/cml-micro-launches-new-low-power-drm-receiver-module" target="_blank">Read the whole story here.</a><br /><br /><p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-39234799329185938442023-10-29T10:15:00.003-07:002023-10-29T10:15:31.654-07:00Ampegon working on the new RNZ DRM transmitter<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEi0FQa0mEUduQrdRB4KCKM-yF7NXTo3bhdTMeBafR_N2hHRQ5cNzTUt0-dGubh-inipSIoj97DBCdYLA9Efvua3xGp-HJlZ3HThrVlz_oPYbQqnisAmqwL5ZXhSIwzhP_61R_QQDjApLMjjalSdKIA7yEi2fvjYeGdOelck4tvuoDnVx4r-otAj3z0Mdva3" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img alt="" data-original-height="1001" data-original-width="1500" height="214" src="https://blogger.googleusercontent.com/img/a/AVvXsEi0FQa0mEUduQrdRB4KCKM-yF7NXTo3bhdTMeBafR_N2hHRQ5cNzTUt0-dGubh-inipSIoj97DBCdYLA9Efvua3xGp-HJlZ3HThrVlz_oPYbQqnisAmqwL5ZXhSIwzhP_61R_QQDjApLMjjalSdKIA7yEi2fvjYeGdOelck4tvuoDnVx4r-otAj3z0Mdva3" width="320" /></a></div>Post on <a href="https://www.linkedin.com/company/ampegon/">LinkedIn</a>: Great to have so many DRM Digital Radio 100kW shortwave transmitters moving through the factory - the next one is for Radio New Zealand! After some delays waiting for parts, final build is almost complete. In the image below, you can see the PSM transformers providing energy to the PSM power supply. #shortwave #digitalfuture #pacific #broadcasting<p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-19906636569505678522022-10-13T08:15:00.002-07:002022-10-13T08:15:23.237-07:00WRMI needs your help - Hurricane damage from Ian<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNCQjelnXWehgORh5z4VKginSHmAPt2_9HM3bMLGnpfT0Y_mpmLVdlC5X9gN1JoZN_ltdbIqzfIbYqTUY_bcXfAGd7_xGtyYMhklrnchoBKUGs5hhrfZrs9Je2yO2H-qvTkiwXfs_wAkNvC-Zi5P9bE1lUwvo492_wpaUBDvfbYoKVcJ7ppmpx1fjHaA/s1578/Aerial_view_of_transmitter_building_area_-_Copy_3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="482" data-original-width="1578" height="195" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNCQjelnXWehgORh5z4VKginSHmAPt2_9HM3bMLGnpfT0Y_mpmLVdlC5X9gN1JoZN_ltdbIqzfIbYqTUY_bcXfAGd7_xGtyYMhklrnchoBKUGs5hhrfZrs9Je2yO2H-qvTkiwXfs_wAkNvC-Zi5P9bE1lUwvo492_wpaUBDvfbYoKVcJ7ppmpx1fjHaA/w640-h195/Aerial_view_of_transmitter_building_area_-_Copy_3.jpg" width="640" /></a></div><br /><b>Jeff White of WRMI has set up a <a href="https://www.gofundme.com/f/save-our-shortwave-wrmi-hurricane-ian-damage" target="_blank">Go Fund Me</a> for the extensive damage to their antenna field. Please do what you can. You mat also donate directly to their <a href="https://www.paypal.com/donate/?hosted_button_id=NZHUHRS8M9KVN" target="_blank">PayPal</a> account.</b><p></p><p><span style="color: #660000;">"Hello,</span></p><p><span style="color: #660000;">WRMI has a rich history of supplying news, information and entertainment to the world from our Okeechobee, Florida Transmitters.</span></p><p><span style="color: #660000;">Hurricane Ian damage to our antenna farm is so extensive, it has knocked us off the air to Europe and Africa.</span></p><p><span style="color: #660000;">We need your help to get us back on the air again to transmit to Europe and Africa news, information, religious programming and entertainment.</span></p><p><span style="color: #660000;">We have no insurance for the antenna farm due to the huge cost of insurance premiums.</span></p><p><span style="color: #660000;">We are desperately asking for help around the world to get us back on the air again to Europe and Africa. Your help is paramount to WRMI returning to the air in the many countries in Europe and Africa.</span></p><p><span style="color: #660000;">Your help will allow WRMI to rebuild the transmission towers destroyed by Hurricane Ian that are pointed towards Europe and Africa.</span></p><p><span style="color: #660000;">We thank you for your support of WRMI. Hurricane Ian knocked us down pretty hard. But we know with your help, we can rise back up and provide programming in many languages again to Europe and Africa.</span></p><p><span style="color: #660000;">Sincerely,</span></p><p><span style="color: #660000;">Jeff White<br />General Manager WRMI<br />Okeechobee, Florida"</span></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-21148447852918491072022-07-12T09:02:00.000-07:002022-07-12T09:02:03.450-07:00BC Canada Opinion piece on DRM<p> I found <a href="https://www.kamloopsthisweek.com/entertainment/radio-edit-will-the-world-see-a-resurgence-of-am-radio-stations-5533248" target="_blank">this article</a> interesting. This is the sort of grassroots info-sharing we need to impress upon regulators and the powers that be what DRM can do for them and us. </p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjFHgxN8wJzgolfv2kuOo_PciL5PTTJkVYW3gYOn9ayvrM7CNR02304zuec0CeistBdt57A6tptcPwHZghbyWmG1dEIKz5UWdW0nn4tIvVgDJP3QgPc6LsNcYulYKHTEkmmr065DS8Wdbku_1IIW-H5pwScuS6xrcyjaLsu0gyTrYZ8cKeEmFfhNLZE6A" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img alt="" data-original-height="727" data-original-width="700" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEjFHgxN8wJzgolfv2kuOo_PciL5PTTJkVYW3gYOn9ayvrM7CNR02304zuec0CeistBdt57A6tptcPwHZghbyWmG1dEIKz5UWdW0nn4tIvVgDJP3QgPc6LsNcYulYKHTEkmmr065DS8Wdbku_1IIW-H5pwScuS6xrcyjaLsu0gyTrYZ8cKeEmFfhNLZE6A=w616-h640" width="616" /></a></div><br /><br /><p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-90458990659363981932022-01-29T15:30:00.003-08:002022-01-29T15:30:54.887-08:00More info on High-Frequency Trading and how DRM plays into the picture<p> </p><div class="separator" style="clear: both; text-align: left;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjwvgY1NrsS0tKvsnogWBxXR4d1zCM9BXq_bwPHFim9hblYKhGm2WckU-sMOM0IC5PG-1NslsG0KMwsPdpXty8XZhTbllMaulKLBdTc61LuGWEOlFCXHq0WeYmRTR4EG8C38ossbedxxZlt2P9J4D8jA6DEsQohzs8P1Hi_yrGb8McJVrm0NvblJHLFuw=s1222" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="758" data-original-width="1222" height="396" src="https://blogger.googleusercontent.com/img/a/AVvXsEjwvgY1NrsS0tKvsnogWBxXR4d1zCM9BXq_bwPHFim9hblYKhGm2WckU-sMOM0IC5PG-1NslsG0KMwsPdpXty8XZhTbllMaulKLBdTc61LuGWEOlFCXHq0WeYmRTR4EG8C38ossbedxxZlt2P9J4D8jA6DEsQohzs8P1Hi_yrGb8McJVrm0NvblJHLFuw=w640-h396" width="640" /></a></div><br />Check out <a href="https://www.experimentalradio.news/experimental-radio-news-3/" target="_blank">this article</a> from Experimental Radio News. Benn Kobb offers the latest news and details on these mysterious HFT stations.<p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-9492973788666112382021-12-30T10:03:00.002-08:002021-12-30T10:03:16.788-08:00As the World ‘Turms’ by Benn Kobb<p><br /></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEit8x7A6mtNOOmAcBDWmPMydYbawXTipJOf_cYDsf8X1XMvwaCt93RoKw8UX18NXKtFoeb4NKhBXbjVoJr0EtqOCHHWgBz-LU0OVKfIz2pbZNVYwRw0jmZsrFyfP7xfSvwdpmFGu7ETkitziFkg-v_s56PdUYMaBqVUGtde0xqCTUPipJdNeE9KWv-eeA=s1147" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="860" data-original-width="1147" height="300" src="https://blogger.googleusercontent.com/img/a/AVvXsEit8x7A6mtNOOmAcBDWmPMydYbawXTipJOf_cYDsf8X1XMvwaCt93RoKw8UX18NXKtFoeb4NKhBXbjVoJr0EtqOCHHWgBz-LU0OVKfIz2pbZNVYwRw0jmZsrFyfP7xfSvwdpmFGu7ETkitziFkg-v_s56PdUYMaBqVUGtde0xqCTUPipJdNeE9KWv-eeA=w400-h300" width="400" /></a></div>Reprinted here by permission of the author. Thanks Benn!<br /><br />--------<p></p><p>Subject: As the World ‘Turms’</p><p>It would seem like 2021 would end with no FCC action on the three mysterious entities requesting licenses under the umbrella of International Broadcasting, but likely involved in sending private messages to trading clients in Europe and Asia.</p><p>In fact there has been action, of a sort.</p><p>Two of those applicants are still waiting to receive construction permits. The third — Turms Tech, part of Turms Holdings, a subsidiary of Emcor Securities of New York — already has a construction permit and says it has built a 10 kW DRM station in New Jersey.</p><p>Turms requested callsign WIPE. It is so listed with the FCC. Turms has no license to operate this station. Yet.</p><p>The FCC is apparently not clear about whether Turms intends to use WIPE for conventional broadcasting — you know, the only type of transmission permitted under the FCC rules for such HF stations.</p><p>Turms originally told the FCC that it will engage in “broadcast and data services” and “broadcast of financial, economic news and data through distribution of programs generally prepared on the basis of requests by clients.”</p><p>Clear as mud. If broadcasting business news on shortwave to DRM receivers is profitable, you’d think that WTWW, WRMI, WBCQ, WWRB etc. would have discovered that years ago.</p><p>And what’s that about “data”? The FCC rules are plain that HFBC stations are for broadcasting to the public. There is no exemption to that requirement whether the broadcast is audio for listening or data for decoding.</p><p>So to clarify the issues, on Dec. 3, 2021 five FCC staff members asked WIPE’s consulting engineer if he could answer a few questions.</p><p>He couldn’t, at the time. Quoting from a record of that online meeting: “The information being sought was clarification of certain general non-technical items that will be possibly proposed by the pending shortwave operation. These type of items or clarifications are not normally items that this [engineering] firm would be knowledgeable.”</p><p>Presumably after consulting with his client Turms, he later provided FCC with these answers:</p><p>– – –</p><p>Q: Clarification is requested regarding the audio and data content of the general service to be provided, if known?</p><p>A: Airtime will be sold to anyone interested in broadcasting his contents. Editorial line will focus on contemporary topics, no religious or political contents. More specifically the target we’re looking for is global news and financial information, CNBC style programs.</p><p>Q: Will encryption be used in the transmitted signal?</p><p>A: No encryption will be used, this is a general broadcast.<br /><br /></p><p>Q. Will there be a contract for reception of the signal required?</p><p>A. No contract will be required for the reception.<br /><br /></p><p>Q. Will a DRM receiver be required for either or both the audio or the data?</p><p>A. A DRM receiver will be required for both audio and data.<br /><br /></p><p>Q. Will the proposed transmitter site receive other international HF signals to be rebroadcast on the intended operation?</p><p>A. No.</p><p>– – –</p><p>The FCC’s question about contract is especially pertinent, as the FCC considers broadcasting to require no contract between transmitting and receiving parties. A private data operation would involve such a contract, usually for some kind of subscription or other fee for service.</p><p>So what should we believe? WIPE will not engage in private data communications, but will instead pursue a sketchy business plan?</p><p>On December 23, 2021, RF engineer Alex Pilosov submitted a detailed objection — his second — to the TURMS application. According to Pilosov, “the directors and officers of TURMS do not claim any broadcasting experience, but certainly have substantial business experience, and are aware of the business of trading and data transmission.</p><p>“What TURMS claims,” he told the FCC, “is that a company without any experience in broadcasting decides to construct the first International Broadcast station in 20 years dedicated to ‘financial news’ programming, and ‘data broadcast to the general public,’ foregoing any subscription revenues, but somehow able to recoup the setup costs by broadcast operations alone.</p><p>“The second possibility, apparent from digging into the facts and associated entities, is that TURMS instead lacked candor in its filings, and that its application for ‘International Broadcast’ is merely a pretext for private data transmission business.”</p><p>If and when WIPE goes on the air — on 9.65, 11.850, 13.720 and 15.450 MHz — DRM monitoring by the SWL community should help establish the facts about any possible encrypted or otherwise non-public, non-broadcast emissions from this station.</p><p>Benn Kobb</p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-15951003830421348052021-09-24T15:39:00.001-07:002021-09-24T15:39:19.638-07:00Report from Brazil DRM test<p> </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfzXWshk2373P6C7p6G66leAjdZyHo7QPKyX91opA115X8xAaWFh6f5k65-Jk0934qHJWcxBgIIs4c61it2CktkXVe4U9dFRwctUDN87iZyEeH6Yc6t64imvhM_c2_ROqUvdiSNWGNrPXL/s750/baziltest.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="421" data-original-width="750" height="360" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfzXWshk2373P6C7p6G66leAjdZyHo7QPKyX91opA115X8xAaWFh6f5k65-Jk0934qHJWcxBgIIs4c61it2CktkXVe4U9dFRwctUDN87iZyEeH6Yc6t64imvhM_c2_ROqUvdiSNWGNrPXL/w640-h360/baziltest.jpg" width="640" /></a></div><br />It is in Portuguese, but has some great images and a post from Brother Zyg included! <a href="https://www.drm.org/wp-content/uploads/2021/09/RELATORIO-DO-PROJETO_Maio_2021-BRAZIL.pdf" target="_blank">Check out the PDF here</a>.<p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-82082753846731573732021-08-09T17:58:00.004-07:002021-08-09T17:58:57.490-07:00NASB 2021 Postponed due to Covid<p> </p><h2 style="background-color: white; box-sizing: border-box; color: #317eac; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 30px; font-weight: 500; line-height: 1.1; margin-bottom: 10px; margin-top: 20px;"><a href="https://www.shortwave.org/index.php/annual-meeting-info/" target="_blank"><strong style="box-sizing: border-box;">NASB 2021</strong><br style="box-sizing: border-box;" /><strong style="box-sizing: border-box;">Annual Meeting</strong></a></h2><h4 style="background-color: white; box-sizing: border-box; color: #317eac; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 500; line-height: 1.1; margin-bottom: 10px; margin-top: 10px;"><span style="box-sizing: border-box; color: #ff6600;"><strong style="box-sizing: border-box;"><em style="box-sizing: border-box;">URGENT! (updated August 6, 2021)<br style="box-sizing: border-box;" /></em></strong></span><strong style="box-sizing: border-box; font-size: 1em;"><em style="box-sizing: border-box;">Meeting Dates:<br style="box-sizing: border-box;" /></em></strong><strong style="box-sizing: border-box; font-size: 1em;"><em style="box-sizing: border-box;">The 2021 NASB Annual Meeting which was scheduled for September 9 and 10 has been postponed (again) due to the Covid-19 situation in Alabama. </em></strong></h4><h4 style="background-color: white; box-sizing: border-box; color: #317eac; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 500; line-height: 1.1; margin-bottom: 10px; margin-top: 10px;"><strong style="box-sizing: border-box; font-size: 1em;"><em style="box-sizing: border-box;">EWTN/WEWN has put all meetings on hold until further notice due to serious infections of the Covid Delta variant in the area. We sincerely apologize to everyone for this inconvenience, and we hope that those who have airline reservations can change them to the new dates when we know what they are. </em></strong></h4><h4 style="background-color: white; box-sizing: border-box; color: #317eac; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 500; line-height: 1.1; margin-bottom: 10px; margin-top: 10px;"><strong style="box-sizing: border-box; font-size: 1em;"><em style="box-sizing: border-box;">If you have reserved a room at the Best Western hotel, please cancel your reservation. There will be no penalty; no charges have been made to your cards. Please check this website regularly for the latest updates. </em></strong></h4><h4 style="background-color: white; box-sizing: border-box; color: #317eac; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 500; line-height: 1.1; margin-bottom: 10px; margin-top: 10px;"><strong style="box-sizing: border-box; font-size: 1em;"><em style="box-sizing: border-box;">We hope to reschedule our annual meeting as soon as possible, and it will be in the same location at WEWN. Please be safe, and again we apologize for this situation which is unfortunately beyond our control. Thank you.</em></strong></h4><div><strong style="box-sizing: border-box; font-size: 1em;"><em style="box-sizing: border-box;"><br /></em></strong></div>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-64076162415044313112021-06-15T12:12:00.006-07:002021-07-13T20:02:54.980-07:00NASB 2021 Scheduled for September at WEWN<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKutKY8njD5vQRkFhvyhL-z6Vv4A3AntndEJUsGz29pOzRSbXAH24vhukk2Kqc7wR1sPgbxQYnBavSLWP2EInIbsXK8ryF1dEIdLQ6t6DGDCjgGoSmRCAJJb_a9VI2I56Ztg8P0HG2tGKd/s727/WEWN+antenna.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="409" data-original-width="727" height="360" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKutKY8njD5vQRkFhvyhL-z6Vv4A3AntndEJUsGz29pOzRSbXAH24vhukk2Kqc7wR1sPgbxQYnBavSLWP2EInIbsXK8ryF1dEIdLQ6t6DGDCjgGoSmRCAJJb_a9VI2I56Ztg8P0HG2tGKd/w640-h360/WEWN+antenna.jpg" width="640" /></a><br /><div class="separator" style="clear: both; text-align: center;"><br /></div></div><div class="separator" style="clear: both; text-align: justify;"><span style="text-align: left;">The NASB 2021 Annual Meeting will be Thursday and Friday, September 9 & 10, in Birmingham, Alabama. The meeting will be held at the WEWN transmitter site. Suggested arrival on Wednesday as the meetings will start early Thursday morning. </span></div><div style="margin-left: 1em; margin-right: 1em; text-align: center;"></div><p></p><p>WEWN will provide transportation between the hotel and the transmitter site, and also for the optional excursion to the Shrine of the Most Blessed Sacrament in Hanceville on Friday afternoon. </p><p><a href="http://www.shortwave.org/index.php/annual-meeting-info/" target="_blank">Here</a> is the updated info. I'm already booked so see you there! </p><p></p><div class="separator" style="clear: both; text-align: justify;"><br /><span style="text-align: left;"><br /><br /></span></div><div class="separator" style="clear: both; text-align: justify;"><br /></div><p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-58338447734476683582021-04-01T07:50:00.001-07:002021-04-01T07:50:43.404-07:00CNR DRM test schedule posted<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjj83u_S9zBKYukOTMC8xcn8DT9OUsXJK83s2Ij4P5yfGedjVMMnw3ytAwOu7gR1iff9mvlCBzgKPAY-uYjkYug-EufA8_lpbk75BXgqlvr0x2xcoOwJ0C-FqWzqT9Ab4gYGsVzW95X4s0P/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="868" data-original-width="800" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjj83u_S9zBKYukOTMC8xcn8DT9OUsXJK83s2Ij4P5yfGedjVMMnw3ytAwOu7gR1iff9mvlCBzgKPAY-uYjkYug-EufA8_lpbk75BXgqlvr0x2xcoOwJ0C-FqWzqT9Ab4gYGsVzW95X4s0P/w184-h200/image.png" width="184" /></a></div><br />While not particularly new information, we have confirmation of times and frequencies as well as a few things to be watching for. Undoubtedly this is why it has been reported that <a href="http://en.gospell.com/products.aspx?Id=150&TypeId=150&fid=t3:150:3" target="_blank">Gospell</a> is in full production mode for their new receivers.<p></p><p>Via World of Radio, Takahito Akabayashi posted his findings from the following </p><p>Original source: <a href="https://cahcn.github.io/drm/">https://cahcn.github.io/drm/</a></p><p>Beijing<br /> 2055-1805 6030 0 degrees 3FF (except Tue 0600-0900)<br /> 0100-0900 13825 175 degrees 3EA</p><p>Donfang<br /> 0100-0900 11695 41 degrees 3E8<br /> 0100-0900 17700 16 degrees 3ED</p><p>Kunming<br /> 0100-0400 15180 32 degrees 2<br /> 0400-1100 13810 32 degrees 2</p><p>Qiqihar<br /> 0000-0400 9420 203 degrees 1<br /> 0400-1000 7360 203 degrees 1<br /> 1000-1200 9870 203 degrees 1</p><p>Urumqi<br /> 2200-0100 9655 98 degrees 3EC<br /> 0100-0800 17830 98 degrees 3EC<br /> 0800-1200 9655 98 degrees 3EC</p><p>Power listed as 30kW </p><p>Additional test transmission using the HFCC registered CRI frequencies of Kunming transmitter site. Power 30kW, 135 degrees, transmission identification code 3F9.</p><p> 0100-0300 9730<br /> 0700-0900 12030<br /> 0100-0500 12090<br /> 0300-0500 13655<br /> 0500-0700 13715<br /> 0700-0900 13775<br /> 0500-0700 15615</p><p><br /></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-67343940324555760142021-03-15T10:24:00.006-07:002021-03-15T10:24:58.848-07:00New StarWaves DRM receiver spotted<p></p><div class="separator" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs54WfR-Hr4PsXMsdNZT7wJxYv8bVlJEjBTUW406XurUDidHwB3BUrU0yAm6GCBLlvoY99KICx11-8qzA0JEpJo_2myS4x6SS7o-oVMk7BO3x_IbX5N-nmx5X-oWa_qoMNfqqV295wsf77/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="473" data-original-width="368" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs54WfR-Hr4PsXMsdNZT7wJxYv8bVlJEjBTUW406XurUDidHwB3BUrU0yAm6GCBLlvoY99KICx11-8qzA0JEpJo_2myS4x6SS7o-oVMk7BO3x_IbX5N-nmx5X-oWa_qoMNfqqV295wsf77/" width="187" /></a></div>No info beyond what is <a href="https://www.tradeindia.com/products/starwaves-w-293-drm-radio-receiver-6850404.html" target="_blank">here</a>. We <a href="http://drmnainfo.blogspot.com/2019/05/starwaves-all-in-one-drm-module.html" target="_blank">reported</a> awhile back that there would be some StarWaves product to come. This one may hit the magic USD 50 mark at some point. Time will tell!<p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-49597569897183826182021-03-10T21:30:00.000-08:002021-03-10T21:30:16.732-08:00RedwoodComm RWC2010B Digital Radio Tester<p></p><div class="separator" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheVbjEIaR0EH_1rb6y8_ayCMiaNbiX0s5Qr69CfzGNBrnJQomK346AezE40ob4i4fuSVNUw1283qemwFH8DWTALGnT9XiGtB3FpLjNylCY34btaWbjLbBN0hdjH5YdEuTg0qCn0e36p27u/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="481" data-original-width="772" height="398" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheVbjEIaR0EH_1rb6y8_ayCMiaNbiX0s5Qr69CfzGNBrnJQomK346AezE40ob4i4fuSVNUw1283qemwFH8DWTALGnT9XiGtB3FpLjNylCY34btaWbjLbBN0hdjH5YdEuTg0qCn0e36p27u/w640-h398/image.png" width="640" /></a></div>I had the pleasant opportunity to spend an hour on Zoom with Kevin Park and Darby Cho, Principal Engineers of RedwoodComm. <p></p><p>From their <a href="https://www.redwoodcomm.com/main/main.php" target="_blank">website</a>:</p><p><i><b>"RedwoodComm is a professional developing company for wireless communication test solution. RedwoodComm develops and provides measurement system for R&D, mass-production of broadcast system and wireless communications such as DAB, DRM, RDS, NFC, BT and LoRa. We will keep making every effort to be the best company of test & measurement system based on technical know-how and experience of test & measurement system for wireless communications."</b></i></p><p></p><div class="separator" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglRfspnFplYMqPhJKwnajHskJygko69_GW1osV9ACtIaelW5q3BsdsJrxktoO23DvqpP5u2pnpGg9rV5SsBbL9sfYfGUa02sIL7QGGVmS31POP0_b1o8dmEalBbkiGfDifWqIPc7TUV0jE/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="852" data-original-width="1470" height="232" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglRfspnFplYMqPhJKwnajHskJygko69_GW1osV9ACtIaelW5q3BsdsJrxktoO23DvqpP5u2pnpGg9rV5SsBbL9sfYfGUa02sIL7QGGVmS31POP0_b1o8dmEalBbkiGfDifWqIPc7TUV0jE/w400-h232/image.png" width="400" /></a></div><p>Awhile back, I discovered their <a href="https://www.redwoodcomm.com/product/01.php?cate_1=36&cate_2=42" target="_blank">RWC2010B Digital Radio Tester</a> online. After making contact, Darby set up a Zoom meeting. The tester unit is a powerful DRM/DRM+, DAB, DAB+, AM/FM, RDS/RDBS receiver testing device. It handles all the DRM settings and functions as well as the ability to test the new xHE-AAC codec.</p><p></p><p>You can quickly see its features on their <a href="https://youtube.com/playlist?list=PLe9O7ryOqklDEKH2UMuvho4ZabKcx2WfW" target="_blank">YouTube playlist.</a> In the presentation they gave for me, the unit was paired with the <a href="https://www.goscas.com/quality-8536660-digital_radio_player_drm_am_fm_usb_desktop_tuning_radio_receiver_with_all_band.html" target="_blank">Gospell GR-216</a> receiver. Adjustments to the DRM parameters are easy to perform. I was impressed at how quickly the radio would switch to the new settings. </p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIieAPX4Asw5CTAu_PO0UEkUweNcY8E69hpJ5I1CCrRdYUapSnaxL6qudm9y2mXg-ENbFCO_DItEI8rGYWBrnKE3YMIPQwHsIc0nj8-468jq_1ZSCQF6B2JS9tPgpdHXbSJJfhmPVKg_iU/" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img alt="" data-original-height="633" data-original-width="1143" height="221" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIieAPX4Asw5CTAu_PO0UEkUweNcY8E69hpJ5I1CCrRdYUapSnaxL6qudm9y2mXg-ENbFCO_DItEI8rGYWBrnKE3YMIPQwHsIc0nj8-468jq_1ZSCQF6B2JS9tPgpdHXbSJJfhmPVKg_iU/w400-h221/image.png" width="400" /></a></div><p>The <a href="https://www.redwoodcomm.com/down/01.php?admin_mode=read&no=166&page=1&search=&download_type=1&cate_type=" target="_blank">RWC2010B</a> is a flexible device for receiver testing but also a great way to demonstrate the various settings and configuration options of DRM. I can easily see how hardware or software developers, equipment manufacturers or broadcasters could easily test and demonstrate the highly adaptive DRM platform. In the near future, I hope to be able to post more details and some hands-on reviews. </p><p><br /></p><p>If you are interested in more information, you can <a href="mailto:sales@redwoodcomm.com" target="_blank">email</a> them an inquiry or use their <a href="https://www.redwoodcomm.com/support/01.php" target="_blank">information form</a>. </p><p><br /></p><p><br /></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-70449445922616888032020-12-31T10:20:00.000-08:002020-12-31T10:20:02.954-08:00AlgorKorea creates innovative DRM solutions<p>After having seen some DRM enthusiasts posting reception reports using the <b><i>AlgorKorea</i></b>’s DRM receiver software, I reached out to its CTO <b><i>Dr. Soon Jarng</i></b> for an interview. </p><p><b><table cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: right; margin-left: 1em; text-align: right;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfyjnw-5k273f_0w56SmKKF4aKOW5Dq0nowzKfsQOnSNIedQQG9TFoDp6D6gTtqGXeaRsmW_bay18rayzPy2TWrXcl9sAg4nhrVEN26je9nQKU-2z6HcEs62Yf-I0afsxxhXnIQmMORc9G/s931/Soon_S_Jarng_Dec2020b.jpg" imageanchor="1" style="clear: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" data-original-height="931" data-original-width="569" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfyjnw-5k273f_0w56SmKKF4aKOW5Dq0nowzKfsQOnSNIedQQG9TFoDp6D6gTtqGXeaRsmW_bay18rayzPy2TWrXcl9sAg4nhrVEN26je9nQKU-2z6HcEs62Yf-I0afsxxhXnIQmMORc9G/w123-h200/Soon_S_Jarng_Dec2020b.jpg" width="123" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;"><br /></td></tr></tbody></table>Tell us a little bit about yourself:</b></p><p><span>I got a bachelor's degree in electronics engineering from Korea, a medical master's degree in physiology from the UK and a doctorate degree in electrical and electronic engineering from the UK. I have been a professor of electronic engineering for more than 26 years at the engineering college in Korea, and am now focusing on the development of digital signal processing algorithms for hearing aids and firmware for microchips in the US.</span></p><p><span><b>What is your inspiration?</b></span></p><p><span>The desire to spread the gospel of Christ to the world through broadcasting was the motivation for the study, and the program is being developed with the talent and curiosity that God provides every day.</span></p><p><b>Please tell us more about AlgorKorea:</b></p><p>While serving as a professor in Korea, I had an opportunity to promote hearing aid research & development and commercialization, and I founded a company (AlgorKorea) and experienced extensive experience in manufacturing and selling hearing aids. After retiring as a professor and moving to the United States, I changed the type of hearing aid manufacturing and sales to the type of hearing aid core firmware and app development.</p><p>It is a type of business that supplies software to manufacturing companies that need hearing aid firmware and apps that we develop.</p><p>I had some knowledge of digital communication theory from my experience teaching communication engineering in the Department of Electronics Engineering. At the same time, continuous research was conducted on FM (Frequency Modulation) hearing aids and speech recognition/translation/synthesis as special hearing aids required for people with profound hearing loss or deaf.</p><p><b>How did you get involved in DRM application development?</b></p><p>After hearing that the Gospel is broadcasted all over the world through KTWR, we are volunteering that anyone who have a smartphone/PC and an RTL-SDR dongle to use free DRM decoding app (DRM+ SDR, DRM+ FM) or PC program (DRM4WIN). We want more than 600 million people around the world to listen and watch Christian broadcasts through our free app. In addition, in order to avoid the problem of paid patent license of DRM technology, OPUS encoder/decoder is used instead of the existing AAC encoder/decoder. To realize the OPUS encoder in the DRM field, a separate DRM content server called DRMTX4WIN (for PC) has been developed and distributed for free.</p><p>Instead of the existing FM hearing aids that deliver sound only in alternative schools for the deaf/hearing impaired, DRM broadcasting and reception technology has been applied as an effective method of delivering text, pictures, files, and the web in addition to sound.</p><p><b>Tell us about your software applications:</b></p><div class="separator" style="clear: both; text-align: center;"><b><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmDSv-HskDypNAdKlp1mXMQnzAPjrjbo9J9SpwIC6ryqf8ntzUpNP37j4nGMf-s_2qJ3dJbLLB7oPZc4MkyKyWIVFvOs5jVAsHb25mSem0-VK0-QrHBIvsqjGl2MuoR0HQkvMvQfVrZbDY/s1728/DRM4WIN.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><br /><img border="0" data-original-height="994" data-original-width="1728" height="230" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmDSv-HskDypNAdKlp1mXMQnzAPjrjbo9J9SpwIC6ryqf8ntzUpNP37j4nGMf-s_2qJ3dJbLLB7oPZc4MkyKyWIVFvOs5jVAsHb25mSem0-VK0-QrHBIvsqjGl2MuoR0HQkvMvQfVrZbDY/w400-h230/DRM4WIN.png" width="400" /></a></b></div><p></p><p>In 2019, we mainly developed smartphone apps (DRM+ SDR, DRM+ MSi, DRM+ FM) for receiving DRM broadcasts, and in 2020, intensively developed PC versions of DRM content server (DRMTX4WIN) and reception program (DRM4WIN).</p><p>DRM content server (DRMTX4WIN) is a program that generates DRM signals by inputting audio, text, pictures, files, and web, and receiving program (DRM4WIN) decodes DRM signals to sound, text, picture, file, and web.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgngbsvanaMlIpNroXxbV2ROQccM5ma699IU8OI-p3qHUL_2HeccTr3PgVV0cHDDLPnbPQQ8LEiHYNmB7AVBYtjeH0W8AeHglFtKA6-2iq4FJa5G0-cvsac5YKKiXFFLXSVFKp2AZBic-YB/s1920/DRMTX4WIN.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" data-original-height="1080" data-original-width="1920" height="225" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgngbsvanaMlIpNroXxbV2ROQccM5ma699IU8OI-p3qHUL_2HeccTr3PgVV0cHDDLPnbPQQ8LEiHYNmB7AVBYtjeH0W8AeHglFtKA6-2iq4FJa5G0-cvsac5YKKiXFFLXSVFKp2AZBic-YB/w400-h225/DRMTX4WIN.png" width="400" /></a></div><p></p><p>Our DRM receiving app (DRM+ SDR, DRM+ MSi) can decode HE-AAC, xHE-AAC compressed signals, but the newly developed DRMTX4WIN, DRM4WIN and DRM+ FM apps only use OPUS encoding (compression) and decoding (decompression) function.</p><p>Although HE-AAC and xHE-AAC decoding technologies are already secured, if these technologies are used, the problem of patent licenses prevents DRM apps from becoming free and spreading all over the world. As a result, only OPUS decoding technology is being applied.</p><p>This is because, when considering consumers around the world, most consumers prefer free apps. DRM standard came out as a means to replace the existing analog radio broadcasting with digital radio broadcasting, but in the basic specification of compression and decompression of audio, the barrier of patent license is preventing the globalization of DRM broadcasting.</p><p>While conducting DRM-related research, DRM broadcasting technology can be applied not only to alternative FM hearing aids, but also to remote broadcasting education in areas where the Internet is not available. In addition to analog communication, digital communication can be applied to send and receive texts and files among amateur ham radio individuals.</p><p><b><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhmb5Sw5tRkPzo1sC6Snxhyphenhyphen5xLFksO_N003VMFY0iF51r2ajPiLlitv9JnnPCuwGVIT7G_KvArKDs3ZjswkFL_jmL4EbEwtMTOiN8RF4b1yde9gGTfgOAesZnfXpxY0bVSUxbW4-ZfM4FA/s2543/20180822_Mt_Rose_Hobby_Climbing.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" data-original-height="2543" data-original-width="1236" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhmb5Sw5tRkPzo1sC6Snxhyphenhyphen5xLFksO_N003VMFY0iF51r2ajPiLlitv9JnnPCuwGVIT7G_KvArKDs3ZjswkFL_jmL4EbEwtMTOiN8RF4b1yde9gGTfgOAesZnfXpxY0bVSUxbW4-ZfM4FA/w157-h320/20180822_Mt_Rose_Hobby_Climbing.jpg" width="157" /></a></b><b>What about your plans for DRM broadcast testing?</b></p><p>With this possibility in mind, we are planning to apply for the FCC's license in 2021 for pioneering educational broadcasts on the JAMA campus.</p><p><b>Can you give a brief description of JAMA and your connection to it? </b></p><p>JAMA stands for Jesus Awakening Movement for America and aims to establish and operate a college that fosters Christian leaders. I am only praying for JAMA and there is no special connection. I've met the founder of JAMA several times. I want to try distance education through DRM broadcasting in Christian institutions such as JAMA, schools, churches, and organizations. DRM does not have a wide frequency band like DAB, so it has a limited transmission rate, but it can transmit text and files in addition to sound through an FM transceiver of a narrow frequency band, so it is expected to be used in areas without the Internet.</p><p><b>How can DRM enthusiasts and experimenters access your software and apps?</b></p><div class="separator" style="clear: both; text-align: center;"></div><p>If you would like to know any other information about us, please send us your questions. <a href="http://algorkorea.iptime.org/algorkorea1/DRM4WIN.html" target="">DRM4WIN</a> can be found here.</p><p><b>Thank you Dr. Soon Jarng for for an interesting and informative interview. I look forward to further DRM progress from AlgorKorea.</b></p><p><br /></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-87901703734509271342020-12-21T12:58:00.002-08:002020-12-29T14:39:04.662-08:00Rádio Nacional da Amazônia resumes DRM testing<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0qhlxAfNi-r-vB-_V7p6Iax0cuYMiIHNncpITL2EKslI2yB-UTWYK1VXsJ2KrtVAAF-ed1YzVEbTsFK-uo41H3GYPVzf4WIatPT0aEGKJsij_agX_BLIfxzVGstGvPUxVGD1NTyZP3RU-/s282/raf+ban.gif" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="180" data-original-width="282" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0qhlxAfNi-r-vB-_V7p6Iax0cuYMiIHNncpITL2EKslI2yB-UTWYK1VXsJ2KrtVAAF-ed1YzVEbTsFK-uo41H3GYPVzf4WIatPT0aEGKJsij_agX_BLIfxzVGstGvPUxVGD1NTyZP3RU-/s0/raf+ban.gif" /></a></div>Per Brother Rafael on DRMNA group: "<span style="background-color: white; color: #222222; font-family: Arial, Helvetica, sans-serif; font-size: small;">tx is back!"</span><p></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-32469173412896749872020-12-05T21:38:00.007-08:002020-12-06T07:49:36.056-08:00VOACAP plots for Rádio Nacional da Amazônia DRM Test<p>Brother Zyg has graciously provided us with VOACAP plots for the ongoing test. We are starting here with 20:00 UTC.Thanks Zyg! </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdhDeDNVxBCmkKqHew32jKjmW-n6JQNuUGKljuxY8Lxpi3-qYCopeQSQx5za5TB9jrJrtmz-w7Dh8assdMWQqZKwepjmj15RMIzSTPZ1mytme079pGbWIFDItG5nvOyAEyeXAnq8IrYhDI/s1287/VOAAREA+BT+DRM+11910+kHz+2000z+Dec+20.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="976" data-original-width="1287" height="486" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdhDeDNVxBCmkKqHew32jKjmW-n6JQNuUGKljuxY8Lxpi3-qYCopeQSQx5za5TB9jrJrtmz-w7Dh8assdMWQqZKwepjmj15RMIzSTPZ1mytme079pGbWIFDItG5nvOyAEyeXAnq8IrYhDI/w640-h486/VOAAREA+BT+DRM+11910+kHz+2000z+Dec+20.png" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitTLTsM-9gn9MXoKYlpf-6EAlYscUJmRrgsKH1W0f8GaS7lw-YYGl-Hm3UV8_2dgwvjOanR9pp6g4UCgtb4kz7a7dZmY4WhIBxGkZL3GTJKgt3_DFb6lTwbS288yzrkZjoSRSNvO-r-o6v/s1287/VOAAREA+BT+DRM+11910+kHz+2100z+Dec+20.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="976" data-original-width="1287" height="486" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitTLTsM-9gn9MXoKYlpf-6EAlYscUJmRrgsKH1W0f8GaS7lw-YYGl-Hm3UV8_2dgwvjOanR9pp6g4UCgtb4kz7a7dZmY4WhIBxGkZL3GTJKgt3_DFb6lTwbS288yzrkZjoSRSNvO-r-o6v/w640-h486/VOAAREA+BT+DRM+11910+kHz+2100z+Dec+20.png" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfeWGQA4Z-0oYWntAAbweBCObFJO8BImwr14T7eddHosCiFX-79C9kR3lP37j7nW5_X2BwDBQwojyd3et9DhEDDu5NEgxWymMGKL5vMmClpeUbNAlP3exv4Swh7zR-kZcH5p3a0mBvGqA5/s1287/VOAAREA+BT+DRM+11910+kHz+2200z+Dec+20.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="976" data-original-width="1287" height="486" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfeWGQA4Z-0oYWntAAbweBCObFJO8BImwr14T7eddHosCiFX-79C9kR3lP37j7nW5_X2BwDBQwojyd3et9DhEDDu5NEgxWymMGKL5vMmClpeUbNAlP3exv4Swh7zR-kZcH5p3a0mBvGqA5/w640-h486/VOAAREA+BT+DRM+11910+kHz+2200z+Dec+20.png" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghfZb_3SaUlyXxiaUk6L5fJnAqCTWETND-3lcYiwiIcHT3sf_2KCLeXXc7b1kCWr4s7tJzWtL_fmpesrwXYusJYPAKvY9sMw12LnyCLbqI85eyFjaU94leM2vvqs-KGNikDKAoSm8mAor6/s1287/VOAAREA+BT+DRM+11910+kHz+2300z+Dec+20.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="976" data-original-width="1287" height="486" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghfZb_3SaUlyXxiaUk6L5fJnAqCTWETND-3lcYiwiIcHT3sf_2KCLeXXc7b1kCWr4s7tJzWtL_fmpesrwXYusJYPAKvY9sMw12LnyCLbqI85eyFjaU94leM2vvqs-KGNikDKAoSm8mAor6/w640-h486/VOAAREA+BT+DRM+11910+kHz+2300z+Dec+20.png" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6ZtQhnwdj29NnumW2Jxm-C8s174Ph8-RHzkKCF2L65sgfpZMT0hwFsowwh-LYy64OIZFCCZkYO1rbHOeIkFWpT33v4MvDYQQL5bH0HbEN_dXjGnMPo4tU9O19frEdQq4nsKpbsNEbtPuW/s1287/VOAAREA+BT+DRM+11910+kHz+2400z+Dec+20.png" style="margin-left: 1em; 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text-align: center;"><br /></div></div></div></div></div></div>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-85061657040130237322020-11-25T12:56:00.012-08:002020-12-04T14:49:34.510-08:00Rádio Nacional da Amazônia is on air with DRM on 11910 kHz<p></p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dwY_-apH_PjPU9BWERaB69FVYgnqCSMne4lsldoAGXCZBidwU1VD62fPDzTPOaJ5uk8Oqiy-QaMf1MgRd_Pfg' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div></div><div class="separator" style="clear: both; text-align: center;"><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><span style="font-size: medium; text-align: left;"><div style="text-align: justify;">EBC & Brasília University running tests now on 11910 kHz DRM kHz from the transmitter site at Parque do Rodeador. Currently it is operating an average power of 1.12 kW into an HRS dipole curtain 4/4/0.5 at azimuth 320 degrees.<br /><br /></div></span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-size: medium;"><span style="text-align: left;">See </span><a href="http://drmnainfo.blogspot.com/2020/09/details-on-radio-nacional-da-amazonia.html" style="text-align: left;">previous post</a><span style="text-align: left;"> for further details. </span></span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-size: x-large; text-align: left;"><br /></span></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmHII0Pe2smhPQ88Fb9OabK0zHzi31aq22OnakvTcTgzmkzDluZbZqNdEFDaqg5_X5kG8AQcSALGgp7HgS4GZZF0PdTpG3C13xlwl6TSHVsX6VshyphenhyphenT6EvFpY7dWA5V8iyETPQnDsuShdsC/s2048/IMG-4559.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1286" data-original-width="2048" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmHII0Pe2smhPQ88Fb9OabK0zHzi31aq22OnakvTcTgzmkzDluZbZqNdEFDaqg5_X5kG8AQcSALGgp7HgS4GZZF0PdTpG3C13xlwl6TSHVsX6VshyphenhyphenT6EvFpY7dWA5V8iyETPQnDsuShdsC/s320/IMG-4559.jpg" width="320" /></a></div><br /><span style="font-size: x-large; text-align: left;"><br /></span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large; text-align: left;"><br /></span></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNvpCndroZ41KGu_axsy7DSsmEW3SpceCX1pqQOnwXytKOje_SHTkozCMUDmIfILa8fc88ge-nDQO0YUbNI3eIyqbRaoJqVPY7Pz5IiiOWti-PIKWVPz-VRASBt_Kh-cUH6aFzrU5Ea-xe/s432/ebc+rf.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="246" data-original-width="432" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNvpCndroZ41KGu_axsy7DSsmEW3SpceCX1pqQOnwXytKOje_SHTkozCMUDmIfILa8fc88ge-nDQO0YUbNI3eIyqbRaoJqVPY7Pz5IiiOWti-PIKWVPz-VRASBt_Kh-cUH6aFzrU5Ea-xe/s320/ebc+rf.jpg" width="320" /></a></div><br /><b style="font-size: large; text-align: left;"><br /></b></div><p><span style="font-size: medium;"><b><br /></b></span></p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-80967071255856718622020-11-21T20:41:00.003-08:002020-11-22T11:48:05.625-08:00 A New HF Station that's Similar, but Different<p></p><div class="separator" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDnohfFPve27KdH8gHP5q9PwMS3m5wkeTaL3TennZItNzPT_6soumQzGmcbIErW7zz-RfPVZlmJBt4sl6uW9Tt7yDp5HnXfCVLfis5NHi_8lDDLZTat5HnuPzaW6FtrowfqLaxJpQqg8TR/" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img alt="" data-original-height="375" data-original-width="387" height="194" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDnohfFPve27KdH8gHP5q9PwMS3m5wkeTaL3TennZItNzPT_6soumQzGmcbIErW7zz-RfPVZlmJBt4sl6uW9Tt7yDp5HnXfCVLfis5NHi_8lDDLZTat5HnuPzaW6FtrowfqLaxJpQqg8TR/w200-h194/image.png" width="200" /></a></div><b>By Bennett Kobb</b><p></p><p>On October 21, 2020, DPA Mac LLC filed a FCC license <a href="https://www.fcc.gov/ecfs/filing/102254844179" target="_blank">application</a> for a new, DRM-based International Broadcast Station to be located in Maple Park, IL. The principal is San Francisco entrepreneur <a href="https://www.linkedin.com/in/sethkenvin/" target="_blank">Seth Kenvin</a> and its technical consultant is Tamir Ostfeld of <a href=" http://www.raft-tech.com/" target="_blank">Raft Technologies</a>, an Israeli developer of low-latency HF systems for so-called algorithmic trading.</p><p>No station devoted to algorithmic trading has ever been authorized for regular commercial operation in the U.S., as there is no formal radio service or spectrum allocation for that purpose. Several such stations have been licensed in the Experimental Radio Service (ERS), which is ostensibly for scientific studies only.</p><p>If the FCC licenses DPA Mac, it will be the first such station to make the transition from the ERS to regular, non-experimental licensing. This station would be the successor to experimental station <a href="https://apps.fcc.gov/els/GetAtt.html?id=193127&x=." target="_blank">WI2XXG</a>. Other than the license document, the FCC has withheld most of WI2XXG's records from public disclosure since it was first licensed in 2017.</p><p>DPA Mac is similar to other DRM stations on which we previously reported: WIPE in Alpine, NJ, which is built and is waiting on its FCC license; and WPBC, proposed for Batavia, IL. With regard to their use for non-broadcast, private data transmissions, those stations made general and non-descriptive representations to the FCC. On the other hand, DPA Mac's license application is fairly transparent. The station aims to transmit "investment data from points within the United States to locations outside the United States carried over a channel immediately adjacent to the HF broadcasts...a low-power, low-latency digital data transmission service provided to private investors, including small- and medium-sized firms."</p><p>This service "will provide the necessary financial support to deploy and sustain the HF broadcasting business for the benefit of the public now and into the future." The data component, it said, will fund an "over-the-air, commercial-free audio broadcast of U.S. financial news and similar information to populations outside of the United States that have access to a standard, commercial, off-the-shelf HF receiver."</p><p><b>Waivers of FCC rules</b></p><p>DPA Mac requested waivers of certain FCC rules. Its station would run 2 kW transmitter output power, while Rule 73.751(c) requires a minimum mean power of 10 kW if digital modulation is used. "Technological advances have rendered a minimum power requirement obsolete," the company said, "and DPA Mac's technological showing demonstrates that it can successfully operate at a much lower power of 2 kW. Operating at this lower power will increase the efficiency of transmissions and reduce the likelihood of harmful interference to adjacent band operations, allowing DPA Mac to maximize use of this spectrum."</p><p>One of its proposed eight frequency bands is 7.342-7.4 MHz, which is not available to International Broadcast Stations. Footnote US136 to the Table of Allocations restricts use of 7.3-7.4 MHz to certain fixed, land mobile and maritime mobile stations. Another FCC rule, 73.702(j), concerns assignment of one frequency for use at a time, while DPA Mac said its "lower power transmissions are more susceptible to disruption from atmospheric changes and other source[s] of interference than traditional high-power transmissions are. To overcome these challenges without raising power, DPA Mac may need to use more than one frequency at any given time to maintain a continuous, uninterrupted connection to listeners."</p><p>The company also requested a limited waiver to give it more time to find a location for an auxiliary transmitter. "DPA Mac is immediately able to broadcast its programming to the foreign public using its main transmitter," it said. "Auxiliary transmitters provide a back-up means of transmission but are only necessary in rare circumstances."</p><p><b>Looking ahead</b></p><p>The FCC rules for International Broadcast stations don't accommodate non-broadcast data communications to private customers. All such transmissions, including "datacasting", are limited to broadcasts for reception by the general public - at least until the FCC changes the rules, ignores non-public communications as insignificant, or interprets or waives the rules to allow them. DPA Mac's application is the third to propose such operations, and is certainly the most explicit.</p><p>In addition, if the FCC allows a reduction in minimum power from 10 kW to 2 kW, it could improve the economics of private shortwave broadcasting considerably. Perhaps the FCC could reduce the costly 50 kW AM minimum power as well.</p><p>What is certain is that the FCC can't sit on these license applications forever. Someday these new DRM stations will go on the air, and perhaps even change the face of private U.S. shortwave broadcasting.</p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-40742086217017275692020-11-16T15:21:00.003-08:002020-11-16T16:05:05.641-08:00DRM from Komsomolsk Russia<p></p><div class="separator" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSkNgJLxFLQmkx8zEwXMk-XdFpjM0cHvGbyGHScVO5dKfCHPZTMwmA7Igb_sAYEaaltN4SVQlTALJ2-DmnFNzGDj4-e844svdWqUnsBdBE1PCC6s209Jf6D7Vt_JzQEEnp726jYk2r7gY3/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="800" data-original-width="1280" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSkNgJLxFLQmkx8zEwXMk-XdFpjM0cHvGbyGHScVO5dKfCHPZTMwmA7Igb_sAYEaaltN4SVQlTALJ2-DmnFNzGDj4-e844svdWqUnsBdBE1PCC6s209Jf6D7Vt_JzQEEnp726jYk2r7gY3/" width="320" /></a></div>DRM from Komsomolsk Russia is now audible most afternoons here in Oregon USA on 9540 kHz from about 2130 UTC per Brendan in Washington. He saw 18-19 dB SNR. I've had solid 15 dB SNR here.<p></p><p>There is an interfering signal (RHC or CRI ) on 9535 kHz but it eventually fades and decode from Russia becomes strong. They are playing a repeating music loop which gets tiresome, but at least they are getting a signal into CONUS! Tweet your decodes with #drmlog please.</p>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-5597153515332211246.post-72774460054047104192020-09-26T15:20:00.001-07:002020-09-26T15:22:36.900-07:00Details on Rádio Nacional da Amazônia DRM tests<p><i></i></p><div class="separator" style="clear: both; text-align: center;"><i style="font-size: large; text-align: left;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFWqzV95fGeXW-CkYaV80SquDH4HAn5YGTiwrSJLtxd5ppU56LKPPJLddiLHX0_33n_CDD7_lOncUsHMBF7kNA0gfUdFdj1Y5P92jyZkefJ-FB6Cx3XJYM9-hCfGxfpfA5tFa7wvr_qClU/s250/BRA_orthographic.svg.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="250" data-original-width="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFWqzV95fGeXW-CkYaV80SquDH4HAn5YGTiwrSJLtxd5ppU56LKPPJLddiLHX0_33n_CDD7_lOncUsHMBF7kNA0gfUdFdj1Y5P92jyZkefJ-FB6Cx3XJYM9-hCfGxfpfA5tFa7wvr_qClU/s0/BRA_orthographic.svg.png" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9H7Pu4LDfDv9ArKjKRzw5ipWRHaqvnfCjwg2PuIe91Ylzp8td5VWWAk6rUC5JWkEh5dXvv-lvZulP1bUuTEulVlIbsePPXko7zJOCe5aRC7hQyThCZSZWLlO4ppV7VHF8JY4yca30OL2h/s720/din.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="574" data-original-width="720" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9H7Pu4LDfDv9ArKjKRzw5ipWRHaqvnfCjwg2PuIe91Ylzp8td5VWWAk6rUC5JWkEh5dXvv-lvZulP1bUuTEulVlIbsePPXko7zJOCe5aRC7hQyThCZSZWLlO4ppV7VHF8JY4yca30OL2h/s320/din.jpg" width="320" /></a></i></div><span style="font-size: medium;"><i><br />With the recent <a href="https://www.drm.org/a-new-era-begins-for-brazilian-radio-broadcasting/" target="_blank"><b>excellent news</b></a> coming out of Brazil, I took a few moments to contact our longtime DRM friend Rafael Diniz. He filled me in on some of the aspects of the upcoming DRM tests there:</i></span><p></p><p><i><span style="font-size: medium;">Rafael, what is the current national status of DRM for digital broadcasting?</span></i></p><p></p><blockquote><span style="font-size: medium;">The digital radio discussion is stuck, mostly locked by the commercial broadcasters which publicity expressed against the digitization of the radio (citing, for example, the ongoing expenses of the broadcasters with the AM to FM migration, the crisis, and so on). Digital Radio seems a treat to the commercial broadcasting sector, but I will not elaborate more about it, as this discussion would take at least a 15 pages introduction.</span></blockquote><p><span style="font-size: medium;"> <i>Can you tell us a little about the broadcast chain for this upcoming test? </i></span></p><p></p><blockquote><p><span style="font-size: medium;">The broadcast chain will be a Brazilian BT Broadcast Transmitter 2.5kW HF tx, The exciter is a Digidia one, and the CS we'll experiment with different configurations, including Digidia and Fraunhofer options. The antenna is a huge HRS one beamed (with reflectors) to the north (good for US!), with between 16 and 20db of gain (Rodeador Park has many huge HRS antennas).</span></p></blockquote><p><i><span style="font-size: medium;">Will there be experiments similar to the recent work at KTWR using different parameters to see what works best? What about xHE-AAC?</span></i></p><p></p><blockquote><span style="font-size: medium;">We plan to use the best possible audio, which, if equipment permits, will be xHE-AAC audio and multimedia content. The idea is to also test 20kHz bandwidth, which will allow more than one audio program over the transmission, together with multimedia content.</span></blockquote><p><span style="font-size: medium;"> </span><i><span style="font-size: medium;">What will the content be?</span></i></p><p></p><p></p><blockquote><span style="font-size: medium;">Rádio Nacional da Amazônia content, the same of broadcast in 6,180 kHz and 11,780 kHz.</span></blockquote><p></p><p><i><span style="font-size: medium;">Is there any long term plan, or is this simply a feasibility test?</span></i></p><p></p><blockquote><span style="font-size: medium;">EBC is the process of purchase of two 100 kW DRM transmitters, to be delivered sometime in 2021 to really provide a steady digital reception even with the smallest battery powered receiver in all parts of the Amazon rainforest region. Concerning the long term - is the hope that this DRM transmission raise awareness of digital radio in the country and can change the minds of the commercial broadcasters about digital radio... and also save the MW band, which is getting empty - which is good and bad at the same time... with clear channels DRM nighttime reception can be fun again.</span></blockquote><p><span style="font-size: medium;"><i>Thank you Rafael for your time and such great news. We look forward to more details and even more to signals making it to North America! Rádio Nacional da Amazônia is often heard here with great signal level and quality.</i></span></p><p></p><p><br /></p>Unknownnoreply@blogger.com