Interesting, I just posted the same question on RAP. See
"Pinging Jim Wier - X-Ponder Antenna Question"

--
Bob (Chief Pilot, White Knuckle Airways)

I don't have to like Bush and Cheney to love America
(Or Kerry, for that matter)

"Bob" wrote in message
...
Is it possible that some oil on the transponder antenna would cause it
to transmit intermittently?

I would have wiped it clean and tried it out but it's 5 OVC today....

Thanx