Re: [amsat-bb] AO40 AOS

[K5OE@xxxxxxx]

Dave,
I found set 104 (from AMSAT last Thursday) is way off--about 30 mintues in AOS.  I put in the set Paul published yesterday and it was right on at AOS last night (about 0320 utc).  I left my system running in auto, but lost synch about 90 minutes later (I had gone to bed).  When I got up this morning and checked (about 0900), there was no signal.  I panned around and found the bird 20 degrees to the north of where these keps said it would be at MA=93 (60,000 km).  The signal was strong, but I could not get any good CRC's.  I'm pretty sure of the accuracy of my antenna system as I can track UO-11 automatically from horizon to horizon without losing the signal (about 100 kHz of Doppler).  So... I'm not sure what to think now.
73,
Jerry, K5OE

In a message dated Tue, 10 Jul 2001 12:41:11 AM Eastern Daylight Time, Dave Guimont <dguimon1@san.rr.com> writes:

<< I got AOS for Orbit #319 at 0320z here in San Diego as I was scanning the 
horizon
where I expected it might be.  My antenna "looks at" the Pacific Ocean.  It may
have occurred a few seconds before that.

Signals were very strong, and I got a lot of good CRCC's.

Set #104 indicated AOS at 0336, 16 minutes later than actual AOS.

At 0337z set #104 indicated an MA of 4, and telemetry at that time indicated
an MA of 8.

At 0400z my 60 cm dish indicated AZ  260°, EL  53°.

Telemetry weakened about phase 12 when I quit monitoring..



            73, Dave wb6llo@amsat.org
                    Disagree: I learn....
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