Originally posted by Staggerwing
If you don't have to open the transmitter to change the crystal, then you may go ahead and do it legally. What you cannot do is retune a transmitters final output, or place it on a different frequency that is out of the 72 Mhz band.
I think you'll find this isn't true.
You can't change the TX crystal yourself, wherever it is.
See another thread in this forum. (can't remember it, but Mike from Hitec was involved)
-David C.