Try RocketHunter.com.  We use these to track our rockets.  Transmits for several miles.  A single battery can last a week.  Transmitters are about the size of a 9 volt battery and costs $125.  Receivers are a bit pricey. $500 with a Yaggi hand held antenna.

Nate Carlson <tclug at natecarlson.com> wrote: On Sat, 21 Apr 2007, Harv Nelson wrote:
> then, I guess I'm back to Ham radio and the APRS sytem.  it'd work for 
> what I want to do, except that two dogs would have to run off together. 
> one to carry the gps receiver, TNC and VHF tranceiver and the other to 
> carry the battery paks. and they don't much like each other as it is. I 
> was hoping the commercial guys had bested the hams but, again, all 
> capitalism means is hype.

Well, you could always get one of the PocketPC phones with an integrated 
GPS.. I dunno how much dog it would stand, though - mine would last under 
a minute with my pup.  :)

------------------------------------------------------------------------
| nate carlson | natecars at natecarlson.com | http://www.natecarlson.com |
|       depriving some poor village of its idiot since 1981            |
------------------------------------------------------------------------

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