wrote in message
...
"Controlled" airspace also includes Class E... so if you have one (and
it's
within the 2-year test), you *have* to turn it on? ... but you aren't
*required* to
have one?


Yes, I don't have a transponder so I don't have to turn it on. I have gotten
requests to turn on my transponder which I reply 'Slant X-Ray'...