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Home > Digital > Shortwave Radiogram, 14-16 December 2018: Transatlantic digital modes, no kite required for reception

Shortwave Radiogram, 14-16 December 2018: Transatlantic digital modes, no kite required for reception

Last weekend’s introduction of the Tecsun Radios Australia image decoding competition brought much new interest in Shortwave Radiogram. Good! And it brings advertising revenue to help WRMI defray the costs of shortwave broadcast transmission – and that helps keep shortwave alive.
More information about the competition at the Tecsun Radios Australia blog …
With digital text via shortwave broadcast, I especially enjoy perfect or near-perfect decodes of text in poor conditions, where voice broadcasts can be difficult to comprehend and images fuzzy. I experienced that last Saturday with the ASCII art transmitted by The Mighty KBC. However, I was not able to replicate the results from my wav file of that reception. Eventually, I tried closing Fldigi and restarting it, and that solved the problem. I recently received an email from John in Massachusetts who has noticed the same problem, and solution, with Fldigi. So if your decode is not satisfactory, try closing Fldigi and restarting it. Anyway, you can see, hear, and decode from my reception of KBC here.  
Videos of last weekend’s Shortwave Radiogram (program 77) are provided by Scott in Ontario (Friday 2030-2100 UTC) and Ralf in Germany (Saturday 1400-1430 UTC). The audio archive is maintained by Mark in the UK. Analysis is prepared by Roger in Germany (including audio of the Tecsun announcement).
Here is the lineup for Shortwave Radiogram, program 78, 14-16 December 2018, in MFSK modes as noted:
  1:34  MFSK32: Program preview
  2:43  Space walk to repair mysterious hole in the ISS*
  7:35  MFSK64: First transatlantic radio message, 1901 (maybe)*
13:15  This week’s images*
23:57  MFSK32: Message from Tecsun Radios Australia*
28:33  Closing announcements
* with image(s)
Please send reception reports to
Twitter: @SWRadiogram or (visit during the weekend to see listeners’ results)
Slow Scan Radio transmits SSTV images and text modes Saturdays at 1300-1330 UTC on 6070 kHz (and maybe also 7440 kHz) via Channel 292 in Germany – although it may be off the air for a few weeks because of maintenance at Channel 292.  The website is Reception reports to
The Mighty KBC transmits to Europe Saturdays at 1300-1400 UTC on 11600 kHz from Bulgaria, with the minute of MFSK at about 1330 UTC (if you are outside of Europe, listen via ). And to North America Sundays at 0000-0200 UTC (Saturday 7-9 pm EST) on 5960 kHz, via Germany. The minute of MFSK is at about 0130 UTC.  Reports to Eric: . See also and 
Italian Broadcasting Corporation (IBC)  Five minutes of MFSK32 is at the end of the 30-minute English-language “Shortwave Panorama. For the complete IBC transmission schedule visit   


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