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[aprssig] D710 GPS Port -- bluetooth gps needed

Heaton, Brad Brad.Heaton at il.proquest.com
Wed Aug 15 05:02:20 UTC 2007


While we are on the subject of Bluetooth GPS...   Anyone have a
recommendation for a good Bluetooth GPS?  SiRF III preferred.  Cost is a
factor so if anyone knows someone who knows someone...

-Brad
-KD7QHX 

-----Original Message-----
From: aprssig-bounces at lists.tapr.org
[mailto:aprssig-bounces at lists.tapr.org] On Behalf Of Scott Miller
Sent: Tuesday, August 14, 2007 11:56 AM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] D710 GPS Port

Bluetooth is nice for convenience (you're right about the complexity and

development cost, though) but in a situation where you need reliability,

I can't see adding more wireless links and batteries into the mix. 
Yeah, cables can be a hassle, but at least you can standardize 
connectors and fix things in the field.  In the middle of an emergency 
response is the last time you want to be worrying about device pairing, 
interference, and whether or not all of your peripheral batteries are 
going to hold a charge.

Scott
N1VG

Jason Winningham wrote:
> 
> On Aug 14, 2007, at 9:12 AM, Bill Vodall WA7NWP wrote:
> 
>> Bluetooth is so ..   wireless.
> 
> and don't forget: so ... expensive.
> 
> Those dongles you mention run about $100 each.  That GPS cable is a 
> bother, but it sure isn't $100 worth of bother.  If you find a module 
> that doesn't require you to implement the Bluetooth stack, it's still
at 
> least $50 for the component.
> 
> Bluetooth is so obscenely complex and expensive, you apparently need a

> large development effort so you can use a cheap BT radio and implement

> the stack in house, then sell a bazillion of them to recoup the 
> development costs.
> 
> Oh, and that bluetooth peripheral needs power sooner or later, so you 
> either change/charge batteries, or you plug it up.
> 
> I was excited about bluetooth until I gave a serious look at 
> implementing it with my APRS rig in the truck.  It doesn't look so
good 
> anymore.
> 
> -Jason
> kg4wsv
> 
> 
> 
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> 
> 


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