[A-DX] stfradio - Test #2 / Round #2

Roger
Fr Apr 11 10:36:12 CEST 2014


http://stfradio.com/


"......We received this very thorough reception report on Test #2 from 
Roger in Germany showing his decoded results, and a nicely-labeled 
waterfall screencap.
~~~  however there are a couple others he hasn't had time to 
identify....good luck with the rest! :)      ...."


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With a little more time, more resolution and more imagination I could 
decode a further four information tracks. ;-)
They were coded in very archaic modes: 2 x CW and 2x  HELL.
The latter has a very high redundancy and has been used already in the 
WWII.


now updated:
http://www.rhci-online.de/KBC+STF-Radiogram_2014-04-05.htm


roger