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the GPS is not accurate..!
hi all..
since i bought my N900, 3 months ago, i've noticed the GPS in not accurate at all! what i'm getting the assumed location is far from the real location with around 700 meters, mostly to the NORTH direction.. this still happening even after i've updated the nokia maps & i've downloaded the maps (to avoid being connected all the time). & it's not only with ovi maps, but with any program i install related to the GPS & location. any suggestion or advice pls.. |
Re: the GPS is not accurate..!
Wait for pr 1.2, its accurate within 5-10 meters for me (leaked pr 1.2)
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Re: the GPS is not accurate..!
Usually my GPS picks me up several hundred meters away also, but after I move a bit, It gets an accurate signal. If you open the status menu, and look at the GPS button, it'll say how good the signal is ("Fine Accuracy" is the best, with "Course accuracy" being a rough estimate)
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Re: the GPS is not accurate..!
Depending on which mode you run the GPS in, you get different levels of accuracy.
There is a table on the wiki describing this: http://wiki.maemo.org/Documentation/...g_Location_API And for what it's worth, I used the GPS in a car going at 130km/h getting really good accuracy (within 10m) with OVIMaps. |
Re: the GPS is not accurate..!
You can get your position using the Data connection on your cellphone which is not very accurate. It is a triangulation of your data signal.
You can also get a fix when your cellphone connects to GPS satellites which is very accurate. When it says coarse accuracy, your phone got a fix using the data connection and when it says fine accuracy, you're connected to satellites Also, having a data connection will allow you to connect to satellites way faster |
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Claiming that accuracy increased with 1.2 sounds dubious, if not even a case of self-delusion. |
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The gps is noticeably better with the leaked version. I haven't checked the accuracy specifically.
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Re: the GPS is not accurate..!
@Joorin: Same hardware, same data input? So what about a new piece of software, which pr 1.2 is obviously? Sometimes it is all about algorithms and processing the input. Just wait and then give the pr1.2 a try. I hope it will bring a better accuracy.
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Also, the accuracy depends highly on where the device faces (sky, road, a hot woman's short dress...) and what other devices are near that might disturb the signal... For instance, when I use my GPS pointing to an old CRT monitor of mine it always gives me false readings... The instant I point my device to anywhere else it shows my exact location (rough estimate of a very small radius of course)! Check it out...
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OK. I am missing something. Where is the GPS status menu that Blaizzen talks about. I dont see it anywhere.
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Re: the GPS is not accurate..!
Go back to the desktop (pressing ctrl and backspace at the same time then clicking on the background) then press on the time.
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Re: the GPS is not accurate..!
in China it's the same problem
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I see: Clock & Alarms | Profile Internet Connections | Blootooth (switcher) Availability (Skype) | Wifi Switcher Brightness control | OpenVPN Dual | GSM | 3G I dont see GPS |
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1 Attachment(s)
Should look something like the attached picture.
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Re: the GPS is not accurate..!
gentlemen.. thanks a lot for all what u've said..
yes, i used it in china, location of the N900 is on the car's dash-board (same location i used to put the E90 & the N95 when i used for the same purpose), using nokia maps (built in software), the false is in the location not the altitude... matter of the software & update, i've no comment... i believe everything possible with the N900 (with all respect for the ppl who say it's same hardware). matter of the problem with the maps software, i don't agree.. it works well with some other users... the gps status, it's fine accuracy.. tried it with different speed, still the same.. same or similar result wither i'm connected to the internet or not.. hope this can narrow the solution,,,, PLS advise... rgds to all... |
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i guess better i move to another country :D |
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what's up guys? any advice?
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Try it in a country area or something similar. Usually in the city there is increased interference and that might alter your GPS signal. I would say wait for PR1.2 to see if its a fixed bug.. but you guys already have it :P |
Re: the GPS is not accurate..!
You could try leaving GPSJinni on for a bit so it gets a good lock on the satellites, then compare the gps coordinates it gives with Google Earth or a similar application. That might indicate if it's an accuracy problem with the gps or OVI maps. You could also try the geolocation plugin for the browser. I haven't tried these before so I don't know if this is helpful. For what it's worth, the GPS is very accurate for me.
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guys.. hi again...:cool:
the problem still the same, even with PR1.3 i've checked again, tried some other maps softwares, all showing me same position, but it it's not correct! for the coordinates, GPS Jinni showing 30 05' 21" / 120 37' 42", but the correct one (from google maps by the computer) is 30 08' 59" / 120 63' 25". any advice, PLS? again, i'm living in GREAT china! :p Thanks all... |
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what proof that google maps are accurate ;) |
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It's probably something with the government blocking GPS or something
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There's nothing wrong with your GPS, it's the actual map data. The easiest way to see it is to check the border to Hong Kong in Google maps, you can see the roads don't line up at all and they basically drop you in the sea. Hong Kong isn't offset but I'm really not sure why the mainland is... If you buy a phone or GPS device in China, the software will almost always have an offset correction (but then it sometimes doesn't work outside of China). I've had the same experience there, it works fine everywhere else I've been besides in China but you can get some map sources that aren't offset like Microsoft's Virtual Earth satellite view (Live maps? Bing maps? Whatever they're calling them...) but there's no fix for the N900 unless a really nice dev wants to apply it to their GPS app, though I don't actually know how because I've heard the offset is different in different parts of the country anyway. I was hoping Nokia would fix it eventually in - Ovi maps at least - because it already works fine on other Nokia phones running Ovi maps that were bought in China, must be some kind of legal thing stopping them. |
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Sorry for reviving an old thread, just don't feel like making my own since it would be a clone of this one. I'm not sure if there's a problem with Hong Kong or not, but my GPS shows that I'm like a mile away from my current location on Ovi Map. Anyone got any type of solution for this? This problem of mine is making traveling in Hong Kong a complete "female dog" in the butt. Just in case if anyone wants to know, I'm using titan's kernel and have my N900 overclocked.
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My GPS said I was in the middle of the ocean!
http://talk.maemo.org/showthread.php?t=67677 (i'm so sad...no one cared to reply my thread when I was in the middle of the ocean) |
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