Re: [mowbot] mowbot

Doug Smith (dougs nospam at
Wed, 25 Sep 1996 13:40:03 -0600

>You can purchase colored reflective tape (not shiny stuff but the stuff
>road signs are made of). This stuff can reflect a significant amount of light
>back to the observer. Use a different color or color combination for each
>post. Your search beacon / detector would send out a white beam and would use
>three different color sensitive detectors. Depending on which ones
>recieved light
>back you could tell which beacon you were looking at.

Unless you limit mowing to dark hours, it would take a significant source
of light to be detectible in the broad sprectrum of bright summer sunshine.

Doug Smith  *  dougs nospam at