> Ron Woodward wrote:
snip
> >
> Beacons would be 'cheap and easy' right?
> Just modulated IR on a stick?
> You could power them battery, solar, or buried cable
> like yard lights.
>
> How many do we need? 3 always visible?
IR location and detection is problematic under daylight conditions.
Not a problem if you were going to run under a charge at night.
Josie jmt nospam at io.com {8-)
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