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Re: Rusty AO-40




Hi Bob,

I think the 3731's LO is at 2256, so subtract that from the 2401.200 +/- downlink frequency.  You should get something around 145.200.  Doppler will shift that +/- about 50 kHz, and then you need to factor in your own unit's offset (my modified Drake is off by about another 50 kHz).

I wish you had it running earlier today.  I had the satellite all to myself during the 7:30pm PDT pass.

Greg  KO6TH


----------------------------------------
> From: w7lrd@comcast.net
> To: AMSAT-BB@amsat.org
> Date: Sun, 17 Aug 2008 04:31:06 +0000
> Subject: [amsat-bb]  Rusty AO-40
> 
> Hello
> My AO-40 (sobsob) techniques are really rusty.  I am trying to find AO-51 S band downlink.  I forget the conversion frequency on a 3731aa downconverter to the two meter band. With the pass duration I don't have a lot of time to look, which I did.  Anyone aim me to the correct frequency?
> 73 Bob W7LRD
> 
> --
> "if this were easy, everyone would be doing it"
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