[amsat-bb] Re: Satellite AO-7 Mode A/B (Rolf Moberg)
aec9824 at yahoo.com
Fri Jun 15 22:11:47 PDT 2007
Check also this link: http://www.planetemily.com/ao7/main.php
Andrew Glasbrenner <glasbrenner at mindspring.com> wrote: Not quite. AO-7 resets every time it enters/emerges from eclipse, the
batteries have failed open circuit, and the spacecraft runs only off panels
and only while in sunlight. It comes up in either mode A or mode B, although
it has been favoring mode B lately by a wide margin. A good site to check
for the current mode pattern is:
When AO-7 enters a period of no eclipses, the 24 hour mode change timer
toggles between A and B just as it was designed to do 32+ years ago. The
satellite is _entirely_ hardware driven, and much of it still works when the
panels see sunlight, including command functions. The next period of no
eclipses begins this fall.
Please enjoy AO-7, and remember to keep your uplinks into AO-7 at levels low
enough that they don't "FM" or distort the passband. There are several
regular users on the satellite, so making QSOs is usually possible on most
73, Drew KO4MA
AMSAT-NA VP of Operations
----- Original Message -----
From: "Steve Attfield"
Sent: Friday, June 15, 2007 8:51 PM
Subject: [amsat-bb] Re: Satellite AO-7 Mode A/B (Rolf Moberg)
> AO-7 as far as I know is locked into one mode and it comes on and off
> depending on the batteries.
> -Steve VA3SAX
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