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Some Laser DX Landmarks!


1963 - 1 way voice - W6POP / W6QYY - 118 miles

He-Ne laser - 12 inch telescope into PMT.


1988 - August 07 - 2 way MCW - KY7B / WA7LYI - 95.6 miles
30 mw He-Cd lasers operating at 442 nm
Receivers equipped with 10 x 24 inch fresnel lenses and PMTs.
Working on attempt at 175 mile path.

< This is the best Picture I can find of the setup! Anyone have a better pix?


1991 - June 08 - WA7LYI and KY7B - 153.97 miles !
Equipment used: 18 inch fresnel lens into Photomultiplier tube.
Transmitter: 15 mw helium cadmium laser (442 nm).


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