[amsat-bb] AO-7 Mode B Questions (difficulty getting in)

Andrew Glasbrenner glasbrenner at mindspring.com
Sat Aug 24 19:19:23 UTC 2019


My thought was desense from your transmitter. What's the antenna setup? I
think I saw that answer on QRZ or somewhere, but don't recall.

73, Drew KO4MA

-----Original Message-----
From: AMSAT-BB <amsat-bb-bounces at amsat.org> On Behalf Of Roy Dean via
AMSAT-BB
Sent: Saturday, August 24, 2019 2:49 PM
To: amsat-bb at amsat.org
Subject: Re: [amsat-bb] AO-7 Mode B Questions (difficulty getting in)

Yes.   I know that a strong uplink can overpower the transponder, so I
started on low power and worked my way all the way up to the high power
setting with almost no difference (at least that I could see).  Existing
QSO's saw no issues whatsoever during my Tx'ing.    We've got a 77deg pass
here in less than an hour, I'll try and get a screen grab of the waterfall
(maybe I'll record the whole passband).

--Roy
K3RLD


> Do you see the other strong signals while you are transmitting as well?
> 73, Drew KO4MA
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