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[aprssig] Re: [nwaprssig] 9600B UHF APRS

Phillip B. Pacier ad6nh at arrl.net
Sat Oct 7 05:28:49 UTC 2006

438.975 9600 baud in the So Cal Area

Phil - AD6NH

David Dobbins wrote:
> The issue I have with multiple frequencies is finding out what the
> freq is when travelling through the area of coverage. You'll need yet
> another call book or some document listing the freqs. If you're a
> regular traveler you'll likely not use the UHF side because it's too
> hard to keep track of all the freqs. The nice thing about the common
> freq 144.39 on VHF is I can hop in the car, set the tracker up, and
> go, and not have to change anything along the way. One option that
> will help that, and I think we should start doing this in the Puget
> Sound area, is to announce on the 144.39 freq the availability of UHF
> APRS on 440.875. I will adjust my beacon here in Spokane.
> If 440.875 is available in your area, use it. If not, pick another
> freq where APRS/packet falls into your band plan. Tell the rest of us
> so we can update a web page and local listings.
> I don't believe we'll ever settle on one UHF freq for APRS. It would
> be more important to not delay the UHF growth, pick a freq and go with
> it, and announce to the world via BLN or ANN and web page listing the
> UHF info.
> I would like to see all the big metro cities (you know where they are)
> to put up a UHF APRS digi and capability to uplink to the APRS-IS via
> an iGate.
> Since this post is new to the aprssig, you can get more info on the
> NWAPRS exploits of UHF APRS on our website: http://www.nwaprs.info and
> check the table of contents.
> Dave K7GPS
> 53 to Bill
> On 10/6/06, wa7nwp at jnos.org <wa7nwp at jnos.org> wrote:
>> > Yep, this will be a helluva lot harder finding a common UHF frequency.
>> > We need to get a national effort going toward identifying and adopting
>> > a common UHF APRS frequency that will work in North America at least;
>> > the rest of the world preferably.
>> >
>> > Dave
>> Dave and I have a different opinion about this.  I don't see any need to
>> have a common frequency.  With our technology, ANY frequency will work.
>> If you're as twisted an old bull as I am, you'll want to use ALL the
>> frequencies...   Use it or lose it.  Quiet air is wasted air.  Received
>> (indirectly) a 73K picture file by 1200 baud packet last night.  Wasn't
>> much quiet air time on that channel.  Hope to be doing the same on 
>> 223.400
>> tonight!
>> 53's
>> Bill/Dill, WA7NWP
>> _______________________________________________
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>> nwaprssig at nwaprs.info
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Phillip Pacier - AD6NH		APRS Tier 2 Coordinator
Sales Associate			Baker to Vegas Digital Coordinator
Ham Radio Outlet, Anaheim	www.aprs2.net
714-533-7373			www.aprsca.net
800-854-6046			www.b2vtracking.com

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