In a previous article, said:
On Sat, 14 Oct 2006 19:19:49 -0500, Emily
wrote:

He replies back, "Oh, ok. Because I have
you at 900 and two other aircraft at 650, so I was just wondering what
was going on."


My plane had an intermittent issue where the transponder would create
a double return.

One of our club's planes did that for a while, but mostly when talking to
Rochester Approach. Approach didn't like it much, because it sets off a
collision alarm - and sometimes the ghost would be squawking 7777, which
sets off other alarms.

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