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Posted by Gedas W8BYA on September 09, 2026 at 19:32:38.
In Reply to: RTTY 138 (a) posted by Marcy on September 08, 2026 at 23:52:33.
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Marcy there are 3 main EFR transmitters in that area. Not to say that you did not pick up a real RTTY station but my guess is you got an EFR station. DCF49 is on around 129 kHz, HGA-32 is on about 135.6 kHz, and the 2nd German station is DCF-39 on 139 kHz. They send out bursts of digital data, it is not continuous. Here is a video I made that will show you what they look and sound like: www.youtube.com/watch?v=DwKYxl23mU0 These are easy and fun to decode. Someplace I have a video of some actual decodes if you would like to see what the data commands actually end up as at the receiving end. 73 GV
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