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Radios and Frequencies

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Old 11-10-2005, 01:15 AM
  #1  
loorimar
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Default Radios and Frequencies

Hi all,

looking to purchase my first radio. I am lookin at the Futaba 7C series. I'll initially be using it
on my boat and at this time do not plan on flying with it anytime soon.
My questions are:

-FM or PCM?
-72 or 75 Mhz? Is there a reason I shouldn't get a 72 Mhz if I plan on ever flying with this radio?
Would anyone care if I use 72 at a lake to drive my boat rather than 75?

Thanks
-Sebastian
Old 11-10-2005, 07:01 AM
  #2  
Ross Kean
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Default RE: Radios and Frequencies

Lots of reading here for PPM (FM) vs PCM. Do a search.

72 MHz is reserved for air while 75 MHz is for ground. Please do not intermix.

If you want a radio suitable for either, consider buying one with a module that can be switched so you can use both bands.

Ross
Old 11-10-2005, 12:08 PM
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Bax
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Default RE: Radios and Frequencies

It is against federal regulations to operate 72 MHz transmitters on anything other than aircraft. 75 MHz MUST be used for surface cars/boats/robots, etc....surface vehicles/models.
Old 11-13-2005, 09:13 AM
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Zeeb
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Default RE: Radios and Frequencies

Not to mention the fact that if there are any RC aircraft operating in the vicinity, you could shoot one down, or they could cause you problems.

There are reasons for the rules, you should follow them...
Old 11-13-2005, 12:43 PM
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smokingcrater
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Default RE: Radios and Frequencies

think of it this way, you crash 'em, you buy 'em! makes buying a new boat pretty expensive when you are paying for someone elses $3000 airplane that your radio crashed...!


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