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XmaX is offline XmaX
2008-09-04 , 17:46
Posts: 7 | Thanked: 0 times | Joined on Sep 2007
#1
Hi, I recently bought a Motorola T805 bluetooth GPS receiver, and it works perfectly. However, everything in GPS information is blank, so I can't see the altitude, speed, etc. In "Satellites details" it just says "Satellites in view: 0; in use: 0".
Can anybody help?
 
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Hedgecore is offline Hedgecore
2008-09-04 , 17:50
Posts: 1,361 | Thanked: 115 times | Joined on Oct 2005 @ Toronto, Ontario, Canada
#2
I assume you're running a version of the Maemo that comes bundled with the Mapper application; does this return anything?

Barring that, does the control panel GPS app return any information?
 
sgosnell is offline sgosnell
2008-09-04 , 19:01
Posts: 348 | Thanked: 61 times | Joined on Dec 2007
#3
Well, it's not working perfectly. If it can't see any satellites, it can't give you any information. Have you tried using it in another location?
 
XmaX is offline XmaX
2008-09-04 , 19:07
Posts: 7 | Thanked: 0 times | Joined on Sep 2007
#4
Originally Posted by sgosnell View Post
Well, it's not working perfectly. If it can't see any satellites, it can't give you any information. Have you tried using it in another location?
But it does give me information. It shows my location as I drive or walk, and even the velocity vector changes accordingly. It just doesn's show anything in "GPS Info" thingy on the left (apart from the compass) and everything in "Details..." is 0, none, or nofix.

I use Nokia 770 with OS2006.
 
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brendan is offline brendan
2008-09-04 , 19:14
Posts: 531 | Thanked: 79 times | Joined on Oct 2006 @ This side of insane, that side of genius
#5
you may want to check that the GPS you are using adheres to the proper protocol (NMEA sentence structure and what not).

there is a hack to find the data being given by the GPS, but i dont know what it is. maybe someone can shed some light.
__________________
Nokia n800
OS 2008
Pharos iGPS 360-BT
ElmScan 5 BlueTooth
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AT&T Wireless
 
lardman is offline lardman
2008-09-04 , 20:58
Posts: 2,102 | Thanked: 1,309 times | Joined on Sep 2006
#6
Check to see which NMEA sentences it outputs, there are specific ones which detail the satellite staus, you may be missing these.
 
XmaX is offline XmaX
2008-09-04 , 22:26
Posts: 7 | Thanked: 0 times | Joined on Sep 2007
#7
It gives me this:
Code:
$GPGGA,222324.060,,,,,0,00,,,M,0.0,M,,0000*57
$GPRMC,222324.060,V,,,,,,,040908,0,N*55
On one hand, it does seem quite limited, but then GPS software on my computer shows me the speed and altitude without any problems.
 
lardman is offline lardman
2008-09-04 , 22:52
Posts: 2,102 | Thanked: 1,309 times | Joined on Sep 2006
#8
Yep, don't worry to much about it, you have the nav data, it just doesn't output the satellite health data (which is what the apps use to tell you which satellites are in use). You may find you can enable the output of more NMEA sentances through some utility that came with the GPS/from the manuf's website, etc.
 
XmaX is offline XmaX
2008-09-04 , 23:23
Posts: 7 | Thanked: 0 times | Joined on Sep 2007
#9
Originally Posted by lardman View Post
Yep, don't worry to much about it, you have the nav data, it just doesn't output the satellite health data (which is what the apps use to tell you which satellites are in use). You may find you can enable the output of more NMEA sentances through some utility that came with the GPS/from the manuf's website, etc.
I'm afraid Motorola doesn't supply any GPS utility. I don't really care about the satellites health, but it would be useful to see the speed and altitude on my 770...
 
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gnuite is offline gnuite
2008-09-05 , 03:20
Posts: 1,245 | Thanked: 421 times | Joined on Dec 2005
#10
Some GPS devices support both NMEA and a proprietary "binary" format that can be accessed only via their software. And for some of those kinds of devices, the amount of data available via NMEA is less than the amount of data available via their binary format. It sucks, but unfortunately it's a fact of life. :/
 
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