On 25 Apr 2011 at 20:19, J. Forster wrote: > There was a spoofing WS19 also. I doubt DFing could distinguish > between one transmitter and several representing tanks in a group. Yes. I think you are correct. And I realize now that if the BC-610 was mounted in a truck, ala SCR-399, it could be moving around a lot. Ken W7EKB