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Re: AO-7 tonight - would like to receive



I have tried to hear the mode A and B beacon a few times over the last few 
weeks, and did not hear anything.  I noticed the same thing during the last 
non-eclipse period earlier this year as well.  The mode-B beacon seems to be 
easy copy when there's eclipses, leaving me to wonder if maybe the 
beacon/telemetry system only works for so long, or maybe it gets turned-off 
by some means.  I have never heard the mode-A beacon.  I once heard the 
mode-B beacon sending  repetitive "hihi" at extremely fast speed(60-plus 
WPM!), although I can't remember if it was during a non-eclipse period or 
not.  It normally sends sequences of three-by-three telemtry data beginning 
with "hihi", just like FO-29 does now.

I also wonder if any command station have tried any commands on AO-7 in 
recent times, to see if it responds to commands such as beacon on/off, 
telemetry beacon speed, or transponder-mode switch?

Auke

----- Original Message ----- 
From: "Joseph Holman" <joehol@windows.microsoft.com>
To: <amsat-bb@amsat.org>
Sent: Saturday, November 01, 2008 7:23 PM
Subject: [amsat-bb] AO-7 tonight - would like to receive


> Any AO-7 users available tonight to help me with a receive experiment on 
> my end?
>
> I'm setting up a new station and would like to hear something on AO-7.
>
> I read that the beacon may or may not be on all the time - is this true?
>
> During the last pass right now, I did not hear a beacon around 145.975 - 
> should I be?
>
> Joe, AD7D.
> _______________________________________________
> Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
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