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bunanson is offline bunanson
2008-11-11 , 21:25
Posts: 4,030 | Thanked: 1,633 times | Joined on Jul 2007 @ nd usa
#71
Just because of you, I went into the trouble of digging out my dusted N810. I plugged in, connected wifi, fired up maemo mapper, satellite in view:7 in use:0 , slowly, it started to populated, voila after 5 min 33s, it locked! It fixed, inside a building, with wifi. I disconnected the gps and reconnected it, it took about 20s to get the GPS display back, and it then started to populate the satellite and it all disappeared, and not even one satellite in view, its been 10 min, nothing happened, not even one bar of satellite, I am still waiting.... usually, sometime later, it will lock again. As I keep re-iterate, it locked only if I stay still.

Regarding the clock thing, I use gpsclock and I noticed that it kept on correcting, albeit .5 s or 1 s, a small number, but why it requires constant correction? It has been 22 mins, and no fix and only 2 satellite bars in sight. I am inside a building and I am NOT moving.

It has been 30 min....no luck, if I depends on this thing to go somewhere, I do not think I can hold my temper down.

I have 3 BT gps, 2 new ones and one really really old one. The 2 BT gps lock in seconds, everytime, everywhere, I have never had ant bad experience with them. The really really old one, takes about 4-5 min to get a lock, it takes awhile, but it will lock. I can depend on it to get a lock after 5 min. Not the N810.

Still cant get it fix, its been 42 min, n810/4.2008.30-2

I rebooted the whole thing..., and now the sat bars slowly repopulate, well, I have spent enough time on this thing. It did not work and I run out of energy. Thanks,

bun
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bunanson is offline bunanson
2008-11-11 , 21:30
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#72
Originally Posted by Francisco View Post
...if I launch first Wayfinder it get the satellites signal very fast. Then I launch Maemo Mapper and voilá I have almost instantaneously a fix.
What is wrong with my setup, please?
I also notice start up wayfinder first has better luck to get a lock then MM 1st. That was history anyway,... I am more happy now as I do not have to worry whether the N810 is going to catch. I am using an N800 with BT gps and it is fine.

bun
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bunanson is offline bunanson
2008-11-11 , 21:36
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#73
OMG, it locked. after another fresh reboot!
The N810 fixed with the satellite.

Cant get a fix after 40+ min, I rebooted, and just left it there, TIme to first fix 12m26s after a fresh reboot. Really, the gps on the N810 is a joke.

bun
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maacruz is offline maacruz
2008-11-11 , 21:42
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#74
Originally Posted by Francisco View Post
I also have very long time to have a fix with Memo Mapper and a-gps with wi-fi connection. It shows a continuous message
Searching for a GPS receiver
the GPS icon disappears, appears again cyclically and nothing happens.
But
if I launch first Wayfinder it get the satellites signal very fast. Then I launch Maemo Mapper and voilá I have almost instantaneously a fix.
What is wrong with my setup, please?
Hard to say, but it seems there is some configuration problem, and maemo-mapper is not able to start the gps, maybe some file is corrupted.
You could try uninstalling maemo-mapper, doing a hard restart (shutdown+drop battery), and reinstalling maemo-mapper.
 

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maacruz is offline maacruz
2008-11-11 , 21:56
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#75
Originally Posted by bunanson View Post
Just because of you, I went into the trouble of digging out my dusted N810. I plugged in, connected wifi, fired up maemo mapper, satellite in view:7 in use:0 , slowly, it started to populated, voila after 5 min 33s, it locked! It fixed, inside a building, with wifi. I disconnected the gps and reconnected it, it took about 20s to get the GPS display back, and it then started to populate the satellite and it all disappeared, and not even one satellite in view, its been 10 min, nothing happened, not even one bar of satellite, I am still waiting.... usually, sometime later, it will lock again. As I keep re-iterate, it locked only if I stay still.
Did you deleted /var/lib/gps/nvd_data before restarting?
If you did, then it seems a hardware problem. Is it still under warranty?

Regarding the clock thing, I use gpsclock and I noticed that it kept on correcting, albeit .5 s or 1 s, a small number, but why it requires constant correction? It has been 22 mins, and no fix and only 2 satellite bars in sight. I am inside a building and I am NOT moving.
The gps satellite data varies because atmosferic distortions, so that is the cause of the small time variations.

About getting a fix inside a building, the n810 usually can't. Outside buildings it should work fine (as long as you have recent ephemeris).
As I said, after I have populated the satellite data using internet, I get a fix in less than 3 minutes on the street, even moving.
 

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allnameswereout is offline allnameswereout
2008-11-11 , 22:51
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#76
Why is it always a hardware problem which requires warranty? There must be many people who have a hardware problem with the GPS chip. Even new devices. Has anyone ever experienced the GPS working well for a while, and then suddenly not anymore? If you send it you're wasting time and money on something which might not even be broken. Face it, the thing sucks, it isn't worth it to tinker about. Just use a good external GPS device instead.
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bunanson is offline bunanson
2008-11-11 , 22:57
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#77
Originally Posted by allnameswereout View Post
Why is it always a hardware problem which requires warranty? There must be many people who have a hardware problem with the GPS chip. Even new devices. Has anyone ever experienced the GPS working well for a while, and then suddenly not anymore? If you send it you're wasting time and money on something which might not even be broken. Face it, the thing sucks, it isn't worth it to tinker about. Just use a good external GPS device instead.
I tried to reconcile with a hardware problem. They sold thousands and thousands of N810, just a guess, and the people complainted about it, less than 100s, again, another guess. So, if the maths is correct, thousands thousands minus 100s, there got to be 999000s satisified customers. Tell me I am BS, again

bun
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bunanson is offline bunanson
2008-11-11 , 23:01
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#78
Originally Posted by maacruz View Post
Did you deleted /var/lib/gps/nvd_data before restarting?
If you did, then it seems a hardware problem. Is it still under warranty?...
No. I did not. Maacruz, thank you very much for you trying to help. Usually I am much upbeat than this. But after trying millions of different ways, and updated to Diablo etc, and over a course of 10 month, I am just tire.

bun
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fragos is offline fragos
2008-11-11 , 23:45
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#79
The latest version of A-GPS has a new menu fuction "Info" which will tell you if nvd_data is valid or corrupted. My GPS had been working well but this AM failed. A-GPS told me it was corrupt when I ran it. Following maacruz's directions I deleted nav_data, powered down and pulled the battery. With an Internet connection I did get a GPS fix in a reasonable time. Just one note: nav_data won't be written until Maemo-Mapper is terminated. There may be a message here. nav_data may become corrupted if you exit MM without an active GPS fix -- purely a guess on my part. At least A-GPS can now tell us if nav_data is OK.
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bunanson is offline bunanson
2008-11-11 , 23:52
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#80
I just checked it, yes the N810, a-gps info, cache refreshed: Nov 11...2008. Cached data is valid

OK

well, no cigar

bun
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