[aprssig] APRS on UHF?

Scott Miller scott at opentrac.org
Wed Nov 26 12:08:40 EST 2008

I've said this before, but I'll say it again... if we implement ANY new 
standard frequency for APRS, I *really* think it should include an 
intelligent channel access scheme.  At the very least, it should use GPS 
time synchronization for slotted ALOHA.


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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