Hi Alan:

I followed you up to:
"However....as you pull the boards away....the alignment of the beams become 
more difficult."

Does this mean that even through timing the Tx with it's associated Rx you 
still want a narrower look angle?

Have you done anything to prevent sun or bright light desense of the Rx sensor?
-- 
Have Fun,

Brooke Clarke
http://www.PRC68.com
http://www.precisionclock.com

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