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Channel Spacing & 20K0F3E

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AlexF

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Joined
Sep 25, 2009
Messages
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Hey guys,

I'm a vol firefighter/medic and am programming my radio to work with our VHF system. I have some experience w/ programming radios so I understand most of it but I'm a little confused with the channel spacing. Searched these forums but didn't find much that was helpful.

The FCC license for our freqs indicate a 20K0F3E emission, which to my understanding means it is wideband. The radio I'm programming is able to do 12.5Khz / 25 Khz and I'm currently under the impression that I should use 25 Khz until we switch to narrowband. I'm only confused because the radio specs says that its emission is 11K0F3E despite being able to use 25Khz channel spacing and 5Khz deviation. Should this still work satisfactorily with our Wideband-FM vhf? Am I misunderstanding something?

Thanks
 

fineshot1

Member
Joined
Sep 17, 2004
Messages
2,479
Location
NJ USA (Republic of NJ)
The FCC license for our freqs indicate a 20K0F3E emission, which to my understanding means it is wideband. The radio I'm programming is able to do 12.5Khz / 25 Khz and I'm currently under the impression that I should use 25 Khz until we switch to narrowband. I'm only confused because the radio specs says that its emission is 11K0F3E despite being able to use 25Khz channel spacing and 5Khz deviation. Should this still work satisfactorily with our Wideband-FM vhf? Am I misunderstanding something? Thanks
The specs are stating the minimum band width the radio is capable of being programed to.

You did not tell us what radio you are talking about which may make a difference if
you did misunderstand something.

It sounds like you need to program for at this time in the wide band manner, and then
later when the switch to narrow band occurs reprogram for narrow band.
 
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