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RE: AO40Rcv



General Telem Info:

http://www.amsat.org/amsat/sats/ao40/ao40-tlm.html

AO40RCV:

http://www.qsl.net/ae4jy/ao40rcv.htm




-----Original Message-----
From: Bill Hurlock
To: Robert Jewell
Cc: amsat-bb@AMSAT.Org
Sent: 2/2/01 8:18 PM
Subject: Re: [amsat-bb] AO40Rcv

Do you have the link to AO40Rcv??

Robert Jewell wrote:

> FWIW:
>
> Ran AO40Rcv today for the first time.  This puppy has great ears!!!!
>
> Heard AO-40 from 1212Z to 1530Z today.  Approx. MA=6 to MA=53.  Copied
347
> "blocks", of which 32 had OK CRC.  These were the earlier blocks
without a
> lot of spin modulation.  Last block recorded (I think) at 150930Z.
Lost
> signal sync at 1530Z.  When I would lose signal sync, I would retune
rig for
> doppler using output of Tono Communications terminal to a Heathkit
SB-614
> monitor scope.  It seemed to do better than the "real" scope on the
desk.
>
> Simultaneously copied signal to wdecpsk V1.1a.  Have not tried to
compare
> them yet.
>
> Rig:  Nuttin fancy; Parabolic downconverter, Phillips antenna and
FT-736R
> receiver.  Az/El G5400 calibrated to the sun yesterday.
>
> FWIW: both Icom 821H and Yaesu FT-736R show AO-40 at 145.311 mhz  +/-
with
> Parabolic AB Downconverter.  Downconverter has crystal oven.
>
> ac9r@amsat.org
>
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