Re: SiRFstarIII testing results?
- From: mike <spamme9@xxxxxxxxx>
- Date: Thu, 21 Jun 2007 07:08:16 GMT
Happy Trails wrote:
On Thu, 21 Jun 2007 01:50:58 GMT, "Tom H."Usually, the advertisement gives the sensitivity.
<tom_reader@xxxxxxxxxx*.net> wrote:
Hello,
Can someone tell me if there are direct performance comparisons of gps receivers that use the high sensitivity SiRFstar chipsets to other consumer grade receivers? I am mostly interested in the ability to establish and maintain lock under heavy tree cover.
The first time I used my Garmin 76csx I walked around the block with
it in my pants pocket - facing outward of course, hahaha - and walked
under a line of fir trees with lots of low branches in the park, and
it never skipped a beat.
SiRF typically claims -159
Numerix typically claims -158
ElCheapo Bluetooth sometimes claim -150. Watch out for those...and
anything without a number.
my Qstarz BT-Q818 with Numerix chip tracks all viewable satellites
indoors where my garmin gps18, StreetpilotII and magellan gps315 all saw
ZERO.
Same experience as happy. I put the gps in my pocket on the motorcycle.
Lost lock once on narrow street with TALL trees on either side.
Depending on your definition of "heavy"...probably ain't gonna work well
in a rain forrest.
Go visit google. Sometimes there's useful info there.
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