[maemo-users] N810 gps troubles

From: Andrew Daviel advax at triumf.ca
Date: Tue Apr 1 03:13:33 EEST 2008
On Mon, 31 Mar 2008, Frederic Crozat wrote:

> No, the plastic square is the light sensor ;)

So, where is the GPS antenna and how does it get a signal ...
(my first (near-useless) GPS had 
a pivoting antenna about 2cm * 2cm * 6cm and marine people were 
recommending an external antenna about 10cm across if mounting
a set on a boat .. my Garmin has an internal antenna, but still a jack 
for an external one, and works fine through the fiberglass roof)

>>  (I guess I should quantify my own experience..)

Outside my house I was seeing about 7 satellites with good signals from 
4. My Garmin got a first fix in 48 seconds vs. 176 seconds for the N810.
After powering off, the Garmin got a second fix in about 2 seconds.
The N810 took about 20 seconds. For a much newer device, that's kind of 

I tried moving the tablet to various orientations but didn't see any 
clear affect on the signal strength, having got a fix.

I take it back about the metal .. the case is plastic painted to look 
like metal, apart from the battery cover and the front fascia, 
and the dark grey panel at the top back is all plastic. I just popped 
it .. holds the funny-looking speakers with audio ducts to the side, and 
an odd floating single contact - maybe it's conductive plastic for EMI 
shielding ...

(video grab from fixed-focus minicam, excuse the blurring..)

Andrew Daviel, TRIUMF, Canada
Tel. +1 (604) 222-7376  (Pacific Time)
Network Security Manager

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