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[aprssig] APRS on UHF?

Phil - AD6NH ad6nh_lists at dslextreme.com
Wed Nov 26 17:38:53 UTC 2008


You can't just say "The UHF freq for APRS is..." that will not work in the
USA.  445.925 is right in the middle of our repeater sub-band, and 5kHz off
(we are at 20kHz spacing in So. California).

73
Phil - AD6NH
www.aprsca.net

On Wed, Nov 26, 2008 at 9:03 AM, Robert Bruninga <bruninga at usna.edu> wrote:

> The UHF freq for APRS is 445.925 but it's a packet in the
> wilderness.  No infrastrucuture, so no reason to be there...
>
> Good luck.
>
> > -----Original Message-----
> > From: aprssig-bounces at tapr.org
> > [mailto:aprssig-bounces at tapr.org] On Behalf Of Ben Jackson
> > Sent: Wednesday, November 26, 2008 11:53 AM
> > To: aprssig at tapr.org; TAPR APRS Mailing List
> > Subject: Re: [aprssig] APRS on UHF?
> >
> >
> > On 11/26/2008, "Patrick" <winston at winston1.net> 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...
> >
> > There's a lot of existing infrastructure for 2M, so think we'd
> > experience a"lockwasher effect" if anyone ever tried to make
> an effort
> > to move to another band. Would it make more sense to have
> > standard APRS
> > frequencies for 1.25M, 70cm, and 23cm?
> >
> > ~Ben
> >
> > _______________________________________________
> > aprssig mailing list
> > aprssig at tapr.org
> > https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig
> >
>
>
> _______________________________________________
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>
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