[aprssig] GPS attachment for Kenwood TH-D7?

[Greg D.]

Slight drift...

Has anyone built a GPS unit suitable for mounting on top of the Kenwood 
TH-D7A(G)?  I'm thinking of something with two prongs that would clip into 
the back of the rig's battery pack, and sit behind the base of the antenna.  
What GPS module & antenna did you use, and how did you power it?

Thanks,

Greg  KO6TH



----Original Message Follows----
From: Mark Cheavens <mcheavens at usa.net>
Reply-To: TAPR APRS Mailing List <aprssig at lists.tapr.org>
To: TAPR APRS Mailing List <aprssig at lists.tapr.org>
Subject: Re: [aprssig] Some Quick Impressions of the Dayton Hamvention2007 
-- APRS -- Kenwood TM-D710
Date: Tue, 22 May 2007 17:32:20 -0500

I will go one step closer. I own a D7 and would buy a replacement for it as 
well as a D710, ONLY if they have smart beaconing.

I do not own a D700 because it will NOT do smart beaconing. I would gladly 
send Kenwood the money for one IF it did!

As far as a D7 replacement it should also have a built in GPS and better 
batter life (Smart beaconing would help).

Too bad the Garmin Rino's won't do HAM frequencies and AFSK data!

Mark Cheavens
KC5EVE


At 05:08 PM 5/22/2007, you wrote:
>Bob Burns W9RXR wrote:
>
> > At 01:37 AM 5/21/2007, Stephen H. Smith wrote:
> > >I was finally told that the D710 probably won't be available until
> > >early fall. [snip]
> > Both the U.S. rep and "Shin" said that the D710 firmware was still in
> > development and that few details were still being worked out. I asked
> > about Smart Beaconing, but was told that the D710 would have
> > "something better". I was also told that "Shin" had spent a lot of
> > time with Bob Bruninga at the TAPR conference discussing APRS
> > features for this radio. Bob may or may not be able to confirm what
> > they discussed.
>
>It seems several people asked Kenwood about SmartBeaconing for the D710, 
>because several such tales were told over at the HamHUD booth.
>
>My guess is that "something better" means WB4APR's "PROPORTIONAL PATHING" 
>(PP). While PP may help QRM issues as well as SmartBeaconing, it certainly 
>does not produce any improvement in the appearance of a map track over 
>fixed-timed posits, because the positions are in fact still being sent at 
>fixed intervals. In contrast, SmartBeaconing includes both corner-pegging 
>and speed-variable beaconing, which not only improve the QRM situation, but 
>also produce useful map tracks, and allow dead reckoning to truly work.  
>SmartBeaconing has been adopted and refined by many APRS software and 
>devices, including HamHUD (II and V), UIView, APRS+SA, SmartPalm, 
>OpenTracker, TinyTrak, TNC-X, and APRS Deluxe.  It's well accepted by the 
>APRS community, which begs the question: why won't Kenwood adopt it?
>
>Speculative 73's,
>
>Steve KA9MVA
>
>"The HamHUD Guy"
>
>_______________________________________________
>aprssig mailing list
>aprssig at lists.tapr.org
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