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---> Re: Favourite USB GPS? Darren Griffin ...04-08-2008
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Posted by Ian Rawlings on March 30, 2008, 4:05 pm


Anyone out there had the chance to compare many USB GPS receivers?
I'm after the mouse type to be fixed to a laptop mount in my truck
for use with a laptop and am looking for a reliable, sensitive
receiver. I'd quite like one with an external aerial connection but
I'm not likely to use it really as the truck has a canvas roof. It'll
need to get good signal in wooded areas, which many seem to be able to
do these days but any that really stand out? Price range is below
£50. Ideally something by Garmin or with a SIRFIII chipset as my
software (Memory Map) certainly supports garmin and appears to support
SIRFIII chipsets directly rather than relying on NMEA mode. I don't
want a standalone, I already have a Garmin Etrex but I don't want to
leave that on view in the truck permanently as it looks too much like
a mobile phone or just too nickable.

--
Blast off and strike the evil Bydo empire!
http://youtube.com/user/tarcus69
http://www.flickr.com/photos/tarcus/sets/

Posted by Darren Griffin - PocketGPSWorl on April 8, 2008, 4:55 am



> Anyone out there had the chance to compare many USB GPS receivers?
> I'm after the mouse type to be fixed to a laptop mount in my truck
> for use with a laptop and am looking for a reliable, sensitive
> receiver. I'd quite like one with an external aerial connection but
> I'm not likely to use it really as the truck has a canvas roof. It'll
> need to get good signal in wooded areas, which many seem to be able to
> do these days but any that really stand out? Price range is below
> £50. Ideally something by Garmin or with a SIRFIII chipset as my
> software (Memory Map) certainly supports garmin and appears to support
> SIRFIII chipsets directly rather than relying on NMEA mode. I don't
> want a standalone, I already have a Garmin Etrex but I don't want to
> leave that on view in the truck permanently as it looks too much like
> a mobile phone or just too nickable.

Ian, I'd suggest you steer clear of Garmin. It's there as a specific
option in MM because garmin chose to implement their own non-standard
protocol in their external GPS receivers.

Anything with SiRFStarIII will be fine and won't need an external
antenna in 99% os situations. I have Holux and Globalsat GPS mice and
find them both superb.

--
Darren Griffin
PocketGPSWorld - www.PocketGPSWorld.com
The Premier GPS Resource for News, Reviews and Forums


Posted by Ian Rawlings on April 8, 2008, 5:13 am


wrote:

> Ian, I'd suggest you steer clear of Garmin. It's there as a specific
> option in MM because garmin chose to implement their own non-standard
> protocol in their external GPS receivers.

My etrexes are switchable between NMEA and Garmin mode, and I've used
them in both modes without trouble. The Garmin mode offers
advantages, e.g. route upload/download, that the others don't but I
don't need it in this case.

> Anything with SiRFStarIII will be fine and won't need an external
> antenna in 99% os situations. I have Holux and Globalsat GPS mice and
> find them both superb.

I went for the "anything with SS3" route before and bought a BlueNext
bluetooth GPS, it keeps losing lock at random and going back to
searchh mode even in situations where it had full-strength signals, so
wanted some recommendations. Cheers for the Holux/Globalsat
recommendation however I bought a unit a few days after my original
post, a zycast sg-949, much cheaper than the Globalsat and so far
better accuracy than the Garmin Etrex had (some of which will be down
to better mounting options).

--
Blast off and strike the evil Bydo empire!
http://youtube.com/user/tarcus69
http://www.flickr.com/photos/tarcus/sets/

Posted by Darren Griffin - PocketGPSWorl on April 8, 2008, 11:27 am



> My etrexes are switchable between NMEA and Garmin mode, and I've used
> them in both modes without trouble. The Garmin mode offers
> advantages, e.g. route upload/download, that the others don't but I
> don't need it in this case.

I was referring to their GPS Mice rather then their handhelds.

> I went for the "anything with SS3" route before and bought a BlueNext
> bluetooth GPS, it keeps losing lock at random and going back to
> searchh mode even in situations where it had full-strength signals, so
> wanted some recommendations. Cheers for the Holux/Globalsat
> recommendation however I bought a unit a few days after my original
> post, a zycast sg-949, much cheaper than the Globalsat and so far
> better accuracy than the Garmin Etrex had (some of which will be down
> to better mounting options).

Yup, I have a couple of ZyCast BT receivers and both have been very good.


--
Darren Griffin
PocketGPSWorld - www.PocketGPSWorld.com
The Premier GPS Resource for News, Reviews and Forums