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[RTTY] Odd RTTY signal, 3 pair of tones w/ 3 diff shifts

To: <rtty@contesting.com>
Subject: [RTTY] Odd RTTY signal, 3 pair of tones w/ 3 diff shifts
From: "John - AI4FR" <AI4FR@ARRL.NET>
Date: Mon, 6 Aug 2007 12:25:02 -0400
List-post: <mailto:rtty@contesting.com>
Good eyeball there Art. I have seen some thing like this happen two or three 
times with a station in Mexico. All of a sudden the bandscope on my Icom Pro 2 
would just come alive with signals. What an awesome display. After a little bit 
of investigation work I found the station causing the problem. I forget the 
call but do remember it was a station in Mexico. Every time I have witnessed it 
the problem did not last long. Usually under a minute or two at the most. So I 
have always thought that it might have been a button that got accidentally 
pushed or the station just came on the air and forget to change a setting. They 
were always quick to fix the problem and I have wondered if some type of 
station monitor on their end was tossing out clues. Either way, the operator of 
the station was alert and knew what they were doing as the problem was quickly 
taken care of.

73
John / AI4FR




A strange thing happened in the Tara Grid Dip contest.  I was tuning down in 
frequency when I came across a signal that was 350 Hz shift.  I set my shift to 
350 Hz and could copy him fine.  Later I came across a shift that was 240 Hz 
and the signal was reversed.  A little further down the band I found 6F75A 
transmitting with a normal signal calling CQ.  I opened up my bandwidth and 
could see 3 pairs of RTTY tones with 3 different shift.  You could see all 3 
signals in sync as 6F75A transmitted.  Anyone ever see anything like this 
before?

73 Art W2NRA
"Keep to the Code!"
w2nra.com
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