Changing Frequencies.....danger??

dwaynenancy dwaynenancy at cox.net
Wed Jun 29 19:22:01 AKDT 2005


The synthesized modules have had to pass a FCC test to be accepted.  It is 
not the same as changing crystals.  Dwayne
----- Original Message ----- 
From: "Ken Thompson" <mrandmrst at comcast.net>
To: <discussion at nsrca.org>
Sent: Wednesday, June 29, 2005 8:07 PM
Subject: Re: Changing Frequencies.....danger??


> 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
>> =================================================
>> To access the email archives for this list, go to
>> http://lists.f3a.us/pipermail/nsrca-discussion/
>> To be removed from this list, go to http://www.nsrca.org/discussionA.htm
>> and follow the instructions.
>>
>> List members email returned for mailbox full will be removed from the 
>> list.
>>
>
> =================================================
> To access the email archives for this list, go to
> http://lists.f3a.us/pipermail/nsrca-discussion/
> To be removed from this list, go to http://www.nsrca.org/discussionA.htm
> and follow the instructions.
>
> List members email returned for mailbox full will be removed from the 
> list.
> 

=================================================
To access the email archives for this list, go to
http://lists.f3a.us/pipermail/nsrca-discussion/
To be removed from this list, go to http://www.nsrca.org/discussionA.htm
and follow the instructions.

List members email returned for mailbox full will be removed from the list.



More information about the NSRCA-discussion mailing list