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Re: LF: no decodes, help needed

To: <[email protected]>
Subject: Re: LF: no decodes, help needed
From: "Markus Vester" <[email protected]>
Date: Sun, 28 Oct 2012 18:11:32 +0100
Cc: <[email protected]>
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Sporadic decodes on JT9-2:
 
1646 10 -14 0.4 1930.52 0.00 CQ DK7FC JN49

1648 1 -30 -0.1 1878.56 0.00

1650 10 -15 0.4 1930.67 0.00

1652 10 -21 0.4 1933.99 0.00 PA0A TEST

1654 10 -14 0.0 1931.14 0.00

1656 5 -25 0.4 1934.07 0.00 PA0A TEST

1658 10 -16 0.4 1930.57 0.00 CQ DK7FC JN49

1700 4 -26 0.4 1934.23 0.00

1702 10 -14 0.4 1930.83 0.00

1704 10 -22 0.4 1933.99 0.00 DK7FC PA0A JO33

1706 10 -16 0.4 1930.33 0.00

1708 10 -21 0.4 1933.99 0.00 DK7FC PA0A JO33

 

PA0A has been sending in every even 2-minute slot, and DK7FC in every odd one. DK7FC should be stronger than indicated, usually positive dB's in WSPR. Will save some wavs of missing decodes.
 
Best 73,
Markus (DF6NM)
 
Sent: Sunday, October 28, 2012 5:52 PM
Subject: Re: LF: no decodes, help needed

I'm receiving a strong JT9-1 signal on even minutes which must be from DK7FC, but like with PA0A I'm getting no decodes. Strange thing is that though the signal was clearly absent at odd minute slots, WSJT-X seemed to produce an echo. This appeared on the waterfall and sync aquisition, but of course won't decode either.
 
This effect seems to be peculiar to JT9-1, and does not happen at JT9-2, which appears to decode nicely:
 
1646 10 -14 0.4 1930.52 0.00 CQ DK7FC JN49
 
Best 73,
Markus (DF6NM)
 
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