[Laser] mechanical rotating shutter

[Cliff Buttschardt]

TWOSIG at aol.com wrote:
-----snip
> I have had contact with a scout organization that has an annual event  
> throughout the western United States where the scouts go out to various  locations 
> with mirrors and heliographs to send messages by Morse code and relay  them to 
> another station.  They use amateur radio, when possible, to provide  liaison 
> and message confirmation.  They have confirmed messages on 176  mile hops.  
> Anyway, they would be interested in other message systems than  eyeball read 
> Morse (though they seem reluctant to extend the event to nighttime  
> communications).
>--------snip
Do you have a bit more information about this scout event?  This is a
most obvious way to involve ham radio and at the same time help out the
scouts with some merit badges.  It would not hurt to bring along a
couple of little 440 MHz HT's to demonstrate and coordinate!
Cliff K7RR