Questions tagged [rtty]
The rtty tag has no usage guidance.
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How is a crossed-ellipse display generated from FSK?
What is the algorithm or circuit needed to generate a (vintage?, retro?) crossed-ellipse display from RTTY and/or 2FSK signals?
(as per the (obsolete?) questions in some FCC exam pool)
(assume ...
- 13.1k
3
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Open Source Library for Digital Mode
I want to play a bit more with programming side of digital modes. However, a quick Google search turned up lots of software and some general explanations but no open-source library implementing such a ...
- 185
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BFSK with huge spacing, why?
I recently bought one of the classic USB dongles to experiment with SDR.
At 460MHz (Europe, CH) I constantly see many digital transmission that use BFSK.
What is strange to me is that:
the frequency ...
- 53
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How are symbols encoded in RTTY?
I am looking for RTTY AFSK specifications. I am a little confused when coding the Baudot code; not the normal characters, but the symbols and numbers.
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What is the proper spacing away from a rare RTTY station?
How far away should I transmit from a rare DX station in RTTY? RTTY itself doesn't take that much bandwidth, but I've heard that I should be spaced 2-3 kHz away. Is that true? Thanks!
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