The static crashes are only " 20dB over 9" for the few microseconds
while they are happening. When using Spectran etc. try turning off the
AGC completely and just allow the static crashes to overload the
receiver for their duration. The Rx will continue working normally
between the crashes and should allow through the signal for processing
at normal strength. Leaving the AGC operating just destroys receiver
gain during its hang period. I find that for almost any radio
monitoring activity manual gain control is better than AGC operation.
Andy G4JNT
----------
From: Mike Dennison[SMTP:[email protected]]
Reply To: [email protected]
Sent: 2000-05-12 10:27
To: [email protected]
Subject: LF: QRSS and QRN
> >From Dave G3YMC
> If Spectran and the other programs offer the capability to copy
stations
> 20dB below noise, in these circumstances this would only take you to
s9,
> which was certainly copyable with normal CW. I admit the static
levels
> recently have been much higher than usual, and would not expect
anyone to
> attempt to work transatlantic under such conditions (or to even
ragchew!)
> I have two weakish carriers on the band, 136.7 and 137.8 which are
> normally just above the noise. I wonder how copy of these is on
Spectran
> with 20dB over heavy static - I can just about copy traces here in
the
> crashes.
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