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February 12th 05, 04:42 PM
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Greg wrote:
From: "Ralph Mowery" Organization: EarthLink Inc. -- http://www.EarthLink.net Newsgroups: rec.radio.shortwave,rec.radio.amateur.digital.misc ,rec.ham-radio Date: Sat, 12 Feb 2005 13:08:16 GMT Subject: Rtty Protocol Most hams are received in the LSB mode. Comercial statisons usually are received in the USB mode or the reversed mark/space relationship. Also the speed (baud rate) and shift are usually differant than the normal ham 45 baud (60 wpm) and 170 Hz shift. "B.R. Smith" wrote in message ... I am using Ham Scope and Mmtty to decode RTTY with my sound card. It works fine for hame radio operators but I have found RTTY on non-ham frquencies and all I get is garbage. For example, there is an RTTY signal at approximately 2.042 MHZ at 1100 UTC on the West Coast and all that displays is random characters. I suspect it has something to do with the protocol or baud rate settings. Anyone know what they might be? Not sure if this is maritime station or not. Thanks. Okay, I have some questions about RTTY: 1. What unencrypted RTTY traffic is out there besides hams? 2. What sort of encoder would I need to read RTTY with my NRD-525 and what do I need to know to get it functioning? 3. My receiver has an RTTY mode. What exactly does that do in my receiver? Couldn't I just use USB or LSB? Thanks, Greg there used to be press services on RTTY. |
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