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[aprssig] GPS engine integration

scott at opentrac.org scott at opentrac.org
Tue Mar 28 14:23:34 UTC 2006


What I don't like about integrated GPS receivers is that you still have to
connect an external antenna - and that means a tiny RF connector, tiny coax
that's lossy and hard to terminate, and active antennas that often cost
almost as much as a whole receiver.

With integrated receivers like the Deluo or Garmin GPS 18, the receiver and
antenna are in a single unit.  The cabling is serial, so you can easily run
it 15 feet or more, and it doesn't mind getting pinched in a car door.  You
can also cut it, strip it, and solder on a new connector in about a minute.

That's why *I* don't include a GPS engine in any of my projects.  But I'm
probably biased, since I'm a computer guy and more used to working with
digital than RF.  Maybe it's not as big a deal for other people.

Scott
N1VG 

> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of AA3JY at Winlink.org
> Sent: Tuesday, March 28, 2006 5:07 AM
> To: aprssig at lists.tapr.org
> Subject: [aprssig] GPS engine integration
> 
> Has anyone know of or tried to integrate, such as the Garmin 
> GPS 15 engine into the circutry of a, such as the Kenwood 
> D700? I'm surprised that the major manufactuer(s) of Amateur 
> gear hav'nt jumed on board to integrate both TNC and GPS into 
> one small radio package, like some of the manufactuers of 
> Marine(DSC) equipment have..but what do I know...
> 
> Regards,
> 
> Clay AA3JY
> (via WL2K)
> 
> 
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