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Re: ATV from Space?



In a message dated 29/12/2005 18:06:45 GMT Standard Time, bruninga@usna.edu  
writes:

1)  Assume ranges of 1500 km
2) Assume 100 watts DC average power
3) Uplink  FM on 1.2 GHz band
4) Downlink VSB FSTV on 70 cm  band




Errrr.   Bob.
 
Bandwidth on 70cm will be a bit excessive for that power. Most FSTV is 23cm  
these days and digital is just becoming possible
 
An amateur band with a bit more bandwidth than 70cms would be  better.
 
Not to mention all the military radar that would QRM.
 
David   G0MRF 
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