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[aprssig] APRS on UHF?

Jason Triolo jasonacg at tampabay.rr.com
Wed Nov 26 17:07:52 UTC 2008


Good question.

It's found in some parts of the country, particularly the Pacific 
Northwest, which seems to be pioneering UHF APRS at 9600 baud.

 From an outsider's standpoint, it seems like frequency allocation is a 
problem. While all of the regional band plans seem to agree on 144.39 
for VHF, there is no standard for UHF. What's used in Seattle, for 
example, would interfere with other activity here in Florida.

Add to that the cost of new gear to support it, and there's probably not 
going to be a lot of takers right now.

But I agree...I'd like to see it more widespread as well.

73 de Jason, KD4ACG


Patrick wrote:
> A question came to mind today to a couple of us on the way to work...  Why hasn't aprs
> standardized on UHF?  Being on the uhf bands would resolve many of the issues for mobile
> installations (ie de-sense to other 2m radios, car stereos, etc)...  True the coverage
> wouldn't be quite as long distanced, but the uhf bands seem to be a lot less used, and
> commercial uhf hardware is available cheaply and in abundance which could be easily
> modified for this sort of use...
> 
> p
> 
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