[amsat-bb] Re: WB9L cross-satellite again

Jeffrey Koehler jeffk13057 at yahoo.com
Sun Oct 19 04:20:36 PDT 2008


Wouldn't it have to be, for true cross-satellite operation to occur, the downlink  of one satellite to be on the uplink of another? I am also not sure this is true "cross satellite" operation. I would have to agree with Auke, that any signal heard by the other sat would have to be a fluke.

73, Jeff WB2SYK 


--- On Sun, 10/19/08, Auke de Jong, VE6PWN <sparkycivic at shaw.ca> wrote:

> From: Auke de Jong, VE6PWN <sparkycivic at shaw.ca>
> Subject: [amsat-bb] Re: WB9L cross-satellite again
> To: AMSAT-BB at amsat.org
> Date: Sunday, October 19, 2008, 12:30 AM
> isn't cross-satellite operation involving signals
> travelling BETWEEN 
> satellites before being heard by the other station?  AO-16
> and AO-51 have 
> their uplinks in the SAME BAND, and downlinks also in the
> SAME BAND so 
> wouldn't that make it impossible to for either
> satellite to react to the 
> other??
> The way I read this... you are hearing unintentional
> uplinks to the 
> satellite you're listening on, just because the second
> sat has an identical 
> uplink, and overlapping footprint.  Please correct me if
> I'm interpreting 
> this wrongly.
> 
> 
> 73
> Auke
> ----- Original Message ----- 
> From: <n3tl at bellsouth.net>
> To: <>
> Sent: Thursday, October 16, 2008 5:15 PM
> Subject: [amsat-bb] WB9L cross-satellite again
> 
> 
> > Hey folks,
> >
> > Mike, WB9L, and I worked cross-satellite at 22:50 UTC.
> Mike was on AO-51 
> > to the northeast, while I was working AO-16 to the
> southwest. I heard some 
> > other stations that I know were working AO-51, but
> didn't get any other 
> > contacts. Both satellites were low elevation to me
> here in north Georgia.
> >
> > 73,
> >
> > Tim - N3TL
> > AMSAT Member No. 36820
> > Athens, Ga. - EM84ha
> > _______________________________________________
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> 
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