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Re: AO 40 Recovery program v1.1



The best way is to listen to a harmonic of a frequency standard. Most S-band
downconveters will be within 10 kHz which is accurate enough for  most
purposes.

73,

John
KD6OZH

----- Original Message -----
From: "ATVQ" <atvq@hampubs.com>
To: <amsat-bb@AMSAT.Org>; "Dave Guimont" <dguimon1@san.rr.com>
Sent: Wednesday, 27 December 2000 16:25 UTC
Subject: Re: [amsat-bb] AO 40 Recovery program v1.1


> The previous message makes me ask:
>
> How do you "calibrate" the downconverter to your radio so you know the
> frequency is accurate? Would you get enough harmonics from a Xtal source,
> what frequency would you use for the Xtal? Or do you just believe the
> equipment manufacturers that it will be correct? Don't have a
downconverter,
> just preparing my mind so I'll be ready!
>
> Gene Harlan - WB9MMM
> Harlan Technologies - publisher of
> OSCAR Satellite Report - OSR@hampubs.com
> Amateur Television Quarterly - ATVQ@hampubs.com
> http://www.hampubs.com
>
>
> ----- Original Message -----
> From: "Dave Guimont" <dguimon1@san.rr.com>
> To: <amsat-bb@AMSAT.Org>
> Sent: Wednesday, December 27, 2000 6:04 AM
> Subject: [amsat-bb] AO 40 Recovery program v1.1
>
>
> >
> > Strong S-1 signals (MB) here in San Diego with AOS at 1101z exactly as
> > predicted by set #17.
> >
> > Raw "A" blocks indicate subject....
> >
> > Frequency 2401.297 is significantly lower than my "pre-recovery"
> indication
> > of 2401.313 on my Kenwood TR751A IF...the radio frequency is accurate.
> >
> > As I remember the pre-recovery beacon (either S or V ??) took a
frequency
> > reduction at some point along the line.....
> >
> > Congrats, agn to all the worker bees!!
> >
> >             73, Dave wb6llo@amsat.org
> >                     Disagree: I learn....
> > ----
> > Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> >
>
> ----
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