[amsat-bb] Re: HEO history question

[k6yk]

I think AO-13 was gone by 1997.  I made lots of European QSO's on 
AO-10 in that time frame. 

73,
John, K6YK

On Fri, 2 Dec 2011 17:23:18 -0500 "George and Cheryl Abbott"
<ka1ajf at cox.net> writes:
> My guess would be AO13.If you have the exact date and time you may be 
> able 
> to determine which satellite it was by using an old computer and the 
> 
> original Quiktrack program.73,George W1GMA
> 
> -----Original Message----- 
> From: i8cvs
> Sent: Friday, December 02, 2011 4:47 PM
> To: John Geiger ; AMSAT-BB
> Subject: [amsat-bb] Re: HEO history question
> 
> ----- Original Message -----
> From: "John Geiger" <aa5jg at fidmail.com>
> To: "AMSAT-BB" <amsat-bb at amsat.org>
> Sent: Friday, December 02, 2011 8:58 PM
> Subject: [amsat-bb] HEO history question
> 
> > Back in late 1997 or early 1998 I was using a Kenwood TR9130 on 2m 
> SSB.
> > One morning I was tuning from the FM to the SSB portion of the 
> band, and
> > heard a station just below 146mhz.  I tuned them in, and it was a 
> station
> > from Wales!  Obviously going thru a satellite as the 2 meter 
> conditions
> > weren't that good that morning.  I am now wondering what satellite 
> it
> > probably was.  Hearing it was enough to motivate me to eventually 
> get into
> > satellite operations-that took a few years though.
> >
> > Anyways, what satellite was I probably hearing?  I am guessing 
> AO10 or
> > AO13 but were they operational at that time?
> >
> > 73s John AA5JG
> 
> Hi John, AA5JG
> 
> OSCAR-10 was launched in 1983 and it started to get problems with 
> the
> main computer in 1986
> 
> OSCAR-13 was launched in 1988 and reientered because of drag in 
> 1996
> 
> Between 1997 or early 1998  OSCAR-10 was operating time to time 
> with
> low level signals in Mode-B, 2 meters downlink while OSCAR-13 was 
> died.
> 
> If you are sure about the time of your reception back in late 1997 
> or early
> 1998 I guess that probably you was hearing or OSCAR-10 or mostly 
> RS-12
> a powerful LEO satellite in Mode-KT with uplink in 15 meters and 
> downlink
> in two bands at the same time i.e.10 meters in the Mode-K and 2 
> meters in
> Mode-T exactly from 145.907 to 145.953 MHz
> 
> BTW at that time 23 april 1996 OSCAR-10 was still well operational 
> in
> Mode-B because I have the QSL card from i8KRO for a QSO made 
> through
> two satellites OSCAR-10 and RS-12
> 
> The uplink on RS-12 for i8KRO was in 21 MHz and the uplink for me
> on OSCAR-10 was in 435 MHz while the downlink for both of us was
> in 145 MHz
> 
> Nice to remember !
> 
> 73" de
> 
> i8CVS Domenico
> 
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