There was a discussion here about 6 years ago about painting dishes,
and a guy wrote that he had painted his dish and saw no signal problems.
But... the dish is supposed to be a reflector. It's quite conceivable that
various paints have different degrees of signal absorption as the signal
passes through the paint on its way in toward the concave metal surface
and again on the way out to the LNB. Will you be able to find a low-
absorption paint that is also weather proof? Furthermore, your dish shows
a layer of rust over roughly half its surface. Rust is not a good signal reflector,
and will you be able to remove all the rust and not bend the dish? Plus, paint
and steel wool and your labor and risk to your neck while climbing up to
the roof twice doesn't seem to be worth less than the $50 that DirecTV
would charge to put in a new dish. It seems to me to be a no-brainer in
favor of letting the pro do it and take the risk to *his* neck. I recall the
funeral when I was a kid of a man who fell off his roof while adjusting his
TV antenna. He left behind a wife and two boys. They were sad.
*TimDaniels*