[Laser] Re: Troposcatter and Information Theory-2

[TWOSIG at aol.com]

>As a side note, PSK could be generated by throwing an inverter in and 
>out of line with a clock pulse to create the 180-degree phase 
>inversions.  Talk about EASY!  It would be interesting to see what kind 
>of longterm phase stability there is on troposcatter paths.  I imagine 
>it's pretty good, since lidars  and cloud radars work on this priciple.
>
>Andy K0SM/2

I suggest an Excusive-OR gate.

James
N5GUI