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Re: re: QRM 2m, question for sat builders



>Higher frequencies are advantageous for downlinks as cosmic noise decreases
>at 6 dB per octave and less power is needed at the satellite. 

Isn't this offset by path loss?

>For digital
>amateur satellites licensed in the U.S. there is a bandwidth limitation is
>20 kHz on 2 meters and 100 kHz on 70 cm. Downlinks usually need to be faster
>than uplinks.

Best reason I've seen yet, and what I suspect is the real core of the issue on satellites including a digital downlink. Thanks for the explanation.

73, Drew KO4MA
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