Thanks for the help AnnMarie !!

Just a few more questions. I think I understand it better now that I have read some of your earlier posts.

If I put a new channel 21 crystal, in my receiver (was 48) I should send it in to have it tuned, correct?

Does the age of the receiver matter, my receiver is an older one, in that I have had it for quite a while.

If I use another Futaba receiver that was on the lower channels, say less than 35, and put a new crystal in it, that is OK without having it sent in to be retuned, correct?

Thanks,

Tim