[villagetinker]

Originally Posted by tomwed

I think mine tripped because a ham radio was in a truck. They broadcasted, mine tripped and they kept going. Otherwise they would be tripping all the time. Don't cha think?

Tomwed,
You may be on to something. I was looking at the Community watch vehicles, but did not see any antennas, not sure if they have hand held radios or if these would cause the problem, but with the random occurrences, a mobile transmitter seems a logical source.