Hi Peter,
I am interested to see the .JPG picture, please...
Suffer from bad ICM above 137.5 kHz, also something
on 136.1..136.3, wonder if SXV is causing it.
Checked CFH this morning around 0330 but Nil...
Have a good weekend de Vaino, OH2LX
At 05:58 10.1.1996 GMT, you wrote:
Last night, 14/2, at around 2035UT I saw I5TGG . His signal was
137.726kHz on my scale calling CQ but the signal faded out.
Just a little earlier a strong QRSS signal at 137.729 is GM3YXM/P was
seen (and heard) calling CQ.
I was using Spectran, which has a better resolution for digging
signals from between the Loran lines. The only disadvantage of this
beta stage S/W is that you can only save images via Clipboard, which
is a bit cumbersome. This I did and as I was converting the image to
a .JPG to send to I5TGG I noticed another weak signal had been
recorded at around 137.740kHz.
It turned out to be sending the same data as GM3YXM/P but with a
mystery delay timing difference of around three seconds.
None of the signals was strong enough to cause non-linearity and
there was no evidence of soundcard 'AGC' action that you sometimes see.
So is it some sort of strange propagation effect? Most likely some
image effect of the SW or soundcard- but why the time difference?
I can send the .JPG image to anyone who is interested
--
Regards, Peter, G3LDO
<[email protected]>
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