Hmm, I did try and track myself on the bus this morning and it did seem to have a problem finding me - it kept flipping between near where I was and about halfway back home. Used it walking down the street and again it didn't seem to be very good at nailing where I was (HD2 seemed much better). I've enabled location via cell location as well as GPS, so I'll see if that makes much difference.
Did you get it from Expansys? I am trying to find out whether it is just a batch or it is a more generic issue.
I too am seeing poor performance with the GPS. Seems to be a hardware issue.
I did a test over the weekend comparing my Galaxy S with a friend's HTC Desire. Using one of the many GPS utilities the Desire was consistently seeing and locking more satellites when stood in an open area outside. When running Google maps and showing the current location I found that the "accuracy circle" (for want of a better description) was growing and shrinking several times a minute causing the map to zoom in and out.
I've also noticed that the compass is almost unusable and showing a much lower signal compared to the Desire. I did perform the figure of 8 calibration several times.
I did a test over the weekend comparing my Galaxy S with a friend's HTC Desire. Using one of the many GPS utilities the Desire was consistently seeing and locking more satellites when stood in an open area outside. When running Google maps and showing the current location I found that the "accuracy circle" (for want of a better description) was growing and shrinking several times a minute causing the map to zoom in and out.
I've also noticed that the compass is almost unusable and showing a much lower signal compared to the Desire. I did perform the figure of 8 calibration several times.
Nope, got mine from Handtec. Really hope it's just a software issue that can be easily solved! Also noticed that google homepage in browser keeps saying I'm in China?!
Nope I tried out google navigation at the weekend and was really impressed by the accuracy, it made my old tom tom look really bad.
This is very worrying, GPS is important for me, I don't want to have another N97 on my hands... fingers crossed it's a software issue.... 
This is very worrying, GPS is important for me, I don't want to have another N97 on my hands... fingers crossed it's a software issue....
I'll have another play on the way home and let you know if there's any improvements.
I've not noticed any problems in Google Navigation. It found me almost instantly, and was so accurate in terms of showing me where I was while driving that there was almost no perceivable lag.
Whatever people are seeing it very unlikely to be a hardware issue, most phones use GPS chips from only 1 or 2 suppliers, its much more likely something temporary like a driver issue.
TravUK, have you tried google maps - did you have any problems with it? (although I assume navigation would be using the same data to find you)
Yep, Maps works fine, including latitude. Also used Waze which took a little while to get a fix, but was also ok.
Well the journey home was much better! Probably helped that I was sitting by the window on the top deck of the bus, but I managed to get a much better fix, using both google maps and navigation. It wasn't like 100% accurate or anything, but certainly no worse than my hd2. Hardly got the large blue circle, but it did think I was in a field a few times, but that's to be expected. To note, didn't seem to make much difference whether I had both gps and cell data selected, or just gps.
Comparison of Galaxy GPS and iPhone 3G gps.
Hey everyone,
There's been some discussion regarding the "quality" of the GPS function in the Galaxy S, and after testing it out today, I sure hope it's a software bug or I'm going to be very disappointed.
This is my run as recorded by my iPhone 3G (with Fitnio): http://dl.dropbox.com/u/810054/samsung_fail/Picture%203.png
Now this is the same run as recorded by my Galaxy S (with RunKeeper): http://dl.dropbox.com/u/810054/samsung_fail/Picture%202.png
Take a wild guess which one actually reflects reality. Can anyone shed light on if the new "leaked" firmware fixes these problems?
Hey everyone,
There's been some discussion regarding the "quality" of the GPS function in the Galaxy S, and after testing it out today, I sure hope it's a software bug or I'm going to be very disappointed.
This is my run as recorded by my iPhone 3G (with Fitnio): http://dl.dropbox.com/u/810054/samsung_fail/Picture%203.png
Now this is the same run as recorded by my Galaxy S (with RunKeeper): http://dl.dropbox.com/u/810054/samsung_fail/Picture%202.png
Take a wild guess which one actually reflects reality. Can anyone shed light on if the new "leaked" firmware fixes these problems?
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11[video] Bluetooth GPS and SGS GPS compared
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OK, I've made a video: the SGS is mounted in my car (real condition - normal usage scenario)
At the beginning I'm parked and then I drive in town.
As I'm in town, there are some buildings and the car has an athermal windscreen so the satellite signal reception is not very good. However the GPS is still usable (you can see that sometime the accuracy of the bluetooth GPS drops briefly...).
In this test the red mark is the current position reported by an old bluetooth SIRF III GPS and the green mark corresponds to the signal of my Galaxy S (I9000) internal GPS.
The blue circles represent the accuracy reported for each GPS. The mark size is approximately 5 to 10 meters and the map is centred on the bluetooth GPS.
As I was in the car I can say that the bluetooth GPS position was quite accurate...1
For the bluetooth GPS, I'm using BlueGPS4Droid which works pretty well with my BT-338. I have configured it to redirect the bluetooth GPS on its own GPS provider. So the internal GPS and the bluetooth GPS are both available at the same time
I'm using ShootMe (Screen Grabber) developed by Johan Cloetens.
How can I compare both GPS, if I use a app that tempers the GPS data ?
No misunderstanding, that's fine... but not for this particular purpose.
On the other hand, I prefer also to use open data (OpenStreetMap) and open source software when I can...
Since Samsung's last official Froyo update, the GPS of my SGS (July version) doesn't last more than 5 minutes after the first fix. So it's barely usable even with a very good navigation app (another of the many problems I have with my SGS GPS...).
Except that (and the lack of notification led) it's a great phone.
