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Re: New Projects: Sat Laser Comms

>> 10. How do the pro's use space based lasers for comms ?
> Pulse Position Modulation, Q-switched Nd:YAG lasers, Avalanche Photo 
> Detectors, big telescopes (10 meter diameter) and very high accuracy 
> pointing.

Oops, I forgot another key aspect of the problem.. Coding.  Very 
carefully designed forward error correction.
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