[amsat-bb] Beacon freq?

[Jerry Pixton <jpixton@xxxxxxxxxxx>]

Hasen,

Even with doppler correction, I have been finding the beacon 10 to 15 Khz 
high or low on differerent passes. I don't see a pattern yet. I have my 
downlink LO frequency pretty well guesstimated using UO-11 (assuming it 
really is at 2401.500000) That seemed to be the consensus of the group 
except someone said the other day 2401.505000. At any rate the AO-40 beacon 
we are saying is at 2401.323 Mhz.  So the message is look around up to 60 
Khz plus or minus without doppler corrections. Even with them I am seeing 
plus or minus 10khz.  I am beginning to contribute most of this error to 
timing errors.

Jerry, W6IHG


At 06:50 AM 7/8/01 -0500, hasan schiers wrote:

>I get the feeling that the beacon is on 2401.332 or so...because when I
>copied it with 36 khz of doppler, it showed up on 2401.296 (within 1 khz of
>where some nice guy on the amsat chat channel told me he was getting it).
>Obviously, our downconverters like each other. Could someone correct the
>beacon freq for me (I'm being too lazy to look it up, so if you don't know
>it off the top of your head, don't bother, I can go find it later today)
>
>Thanks for any suggestions while I'm in the no rotor, eyeball method of
>testing.
>
>73
>hasan schiers, NØAN
>schiers@netins.net
>
>
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------------------------------------------
Dr. Jerry R. Pixton, PIXOS Designs LLC
http://www.pixos.com/designs/
jpixton@shentel.net
------------------------------------------

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