[amsat-bb] Re: future apogee calculation

Vince Fiscus, KB7ADL vlfiscus at mcn.net
Thu Feb 25 14:26:37 PST 2010

At 05:07 PM 2/25/2010 +0000, Bob- W7LRD <w7lrd at comcast.net> wrote:
>Hello Is there a "easy" way of figuring out where/when a given apogee will 
>at a given lat.long?  I want to try to predetermine when the apogee will 
>be on AO-7 to favor the northern hemisphere.  To "maybe" help in dx 
>contacts.  The difference is only bout 17km in altitude, it just might 
>streeeetch the footprint enough.  Also just how much does the 17km add to 
>the footprint?  73 Bob W7LRD

OK, Now to answer your question Bob.

If you want that extra 15km of altitude you get with AO-7 at apogee, the 
next time AO-7 will be having apogees at the most northern latitudes it 
reaches will be on orbits around June 17th to the 18th.  Apogee will occur 
around 78 degrees N Lat.


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