For the
first time, Radio Australia will broadcast digital text and images. This
will be Saturday 18 May and Sunday 19 May 2013. UTC Frequency (kHz) Target
0830-0835 7410 & 11945 south-west Pacific
1230-1235 9580 & 12095 south Pacific
As is characteristic of shortwave, reception outside the nominal target areas is likely.
Each five-minute broadcast will include:
:34 RA tuning signal (still Waltzing Matilda?)
:05 Tone 1500 Hz
1:42 MFSK16 text
1:42 MFSK32 text
:55 MFSK32 image
All modes are centered on 1500 Hz. The Radio Australia digital transmissions can be received on any shortwave, even if it does not have single sideband capability. Patch audio from the radio to a personal computer, and use software to decode the modes. For more information, see how to decode the modes.
