Changing Frequencies.....danger??

[Ken Thompson]

Pretty good question Scott, after our conversation on Sunday, I looked this 
on the RC Universe Futaba forum.  Futaba tech support says that the changing 
of crystals in the transmitters such as the 6XAS is illegal according to the 
FCC.  Not having the transmitter re-tuned could allow some errant radio 
waves to be emitted that could possibly cause some interference outside of 
the RC range of the 72MHz band.  This still doesn't explain the synthesized 
modules.
As I told you Sunday, I have been switching modules for different planes, 
without any ill effects, but that doesn't mean I'm doing the right thing.

Ken

Sorry I didn't get back to you today, I just now got a minute, I'll give you 
a call.


----- Original Message ----- 
From: <F3AFlyer7 at comcast.net>
To: <discussion at nsrca.org>
Sent: Wednesday, June 29, 2005 8:41 PM
Subject: Changing Frequencies.....danger??


> Well I've heard a couple of opinions on this so I figure I'd get some 
> more. I need to get a new frequency for the NATS but don't want to send my 
> transmitter in. I have a Futaba 9C. Some have told me that I can change as 
> many frequencies as I want without mishap, while others have told me that 
> you can only go 6 up or 6 down or else your transmit range gets shorter. 
> Is this true for transmitters with crystals in them only, or for both 
> crystal and module transmitters? If this is also true for module 
> transmitters, then why are there synthesized modules for the 9C?
>
> Thanks!
>
> Scott
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