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Re: AO-40 Update, 2003-10-31



On 31 Oct 2003 at 8:36, Bob Bruninga wrote:

> I am gearing up to do some PSK-31 testing via AO-40, and it sounds like I
> am chosing to do it at the worst time (bad sun angle))...  For those of us
> that dont keep up on a daily basis, I wonder if someone has simply posted
> a bell curve of link performance versus offset angle?  I guess it should
> just be the inverse of the low-gain antenna plot...
> 
> Also, when ALAT/ALON gets so bad, do they turn off teh transponder or is
> that a good time to test with weaksignal techniques? (using more power
> to compensate)...
> 
> de WB4APR, BOb
>

Try this link :http://www.amsat.org/amsat/sats/ao40/articles/AO40Squint.html

Article title:

The Effect of SQUINT on Telemetry Download 

Performance - AMSAT Oscar 40 S2 Downlink

by Colin Hurst VK5HI



Luc Leblanc VE2DWE
Coordonnateur AMSAT pour le Québec
Quebec AMSAT coordinator
AMSAT MEMBER (33583)
Sites web sites: www.qsl.net/ve2dwe
                          www.sorel-tracy.qc.ca/~luclebla/

Echolink node 115340 VE2DWE-L
Echolink node 101810 VE2DWE

P.O. Box 341
Sorel-Tracy  QC.
Canada
J3P 5T6

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