[amsat-bb] Re: AO-7 report.

wa6fwf wa6fwf at sbcglobal.net
Tue Jul 31 06:09:09 PDT 2007

>A study of the AO-7 eclipse charts for the last 3 years shows a progression 
> toward non-elipse orbits in late 2007 - 2008.
> In effect, this means that AO-7 in all probability will not change mode 
> unless anything untoward happens.
> It also means that we appear to have a permanent mode-B LEO linear 
> transponder for the forseeable future ... providing operators follow the 
> recommended operating proceedure.

Hi John,
  I do not believe that is correct, I think that once its non-eclipse that the internal
timer will no longer get reset by a eclipse and we will go back to a regular
mode A B switch based on that timer...

your thoughts???

Kevin WA6FWF

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