GPS is stuck with a set of satellites - how to remove them from memory?

[jethro_static]

Originally Posted by flatspin

You're right, of course. I was thinking of the WAAS satellites.

WAAS is not a satelite. LMFAO. It's a server developed by garmin for a more acurate position. 3 feet range as oppose to non WAAS enabled GPS chips, The range can be up to 3 meters.

[tichi]

I have another example of weird behavior of my phone, when it is stuck
forever and never gets a lock.. maybe someone knowledgeable may
tell me what's this about?

For a few hours I had fast locks with 5 satellites - 3, 7, 25, 27, 28 (seen in GPSview)

then, while I was moving 15 km away on the way,
(it does not matter, I may have just powered it off and then on)

it loses the lock, and the new set of satellites shows up
6,8,11,19,26, all in the range of 20-30 dB signal strength,
but NEVER gets a lock,
no soft power on heaven and earth can make it lock,
I tried HTC GPS Tool, switch on and off Location setting,
switch on and off AGPS in registry, etc etc..

What's funny, while it is stuck on those satellites, sometimes, almost instantaneously , another 4 show up, 28,27, 7,25, they blink, and disappear...

Soft reset helps, though..
it Cold Locks with 1,2,5,9,12,28,30 in a minute or two..

any ideas? Anyone else experiences this, probably with different ROM?

[chrispipe]

TimeBetweenFixes key has nothing to do with Sat data storage. It's the amount of time (in seconds) that the chip updates your location. If you change it to 2, or 5, and use Garmin or GoogleMaps and drive around, you'll see that it updates less often. Saves battery, but makes it very laggy.

That's what it's supposed to do anyways.

[chrispipe]

Originally Posted by ckl_88

Even so, sometimes I need to use Google Maps and get an approx location of my position right away because I don't time to wait 1-1.5 minutes for the GPS to get a real lock. Especially indoors when a real lock may take about 10 minutes.

Do you often find yourself indoors with no general idea of which building you walked into? If that is the case, then getting GPS working properly on your phone might be the least of your worries my friend. XD

[ckl_88]

Originally Posted by chrispipe

Do you often find yourself indoors with no general idea of which building you walked into? If that is the case, then getting GPS working properly on your phone might be the least of your worries my friend. XD

LOL. No, generally, I have an idea. But let's say I go to Toronto and visit a mall. I have no idea what's in the vicinity except what I can see in front of me. Now I would like to visit a park or find a hotel or restaurant... you get the idea. Now, if I start up Google Maps and it's got my last known location (which is Vancouver), I'd have to type in the address or name of the place that I'm in and hope to god that Google will find it, then do another search of what I'm looking for. Instead, if I say use GPS and it locates me via AGPS, then wouldn't that be better?

[chrispipe]

Originally Posted by ckl_88

LOL. No, generally, I have an idea. But let's say I go to Toronto and visit a mall. I have no idea what's in the vicinity except what I can see in front of me. Now I would like to visit a park or find a hotel or restaurant... you get the idea. Now, if I start up Google Maps and it's got my last known location (which is Vancouver), I'd have to type in the address or name of the place that I'm in and hope to god that Google will find it, then do another search of what I'm looking for. Instead, if I say use GPS and it locates me via AGPS, then wouldn't that be better?

I suppose. Google maps is often way off with location though. Sometimes almost 10km off for some people. I've had it go maybe 4 or 5km away from where I'm at, which in the search for a close restaurant, could make a big difference! The best thing to do in that case is to ask some locals! :P

But yeah I see what you're saying, I just wanted to be an ***. lol

-P

[rolandroland]

Originally Posted by chrispipe

I suppose. Google maps is often way off with location though. Sometimes almost 10km off for some people. I've had it go maybe 4 or 5km away from where I'm at, which in the search for a close restaurant, could make a big difference! The best thing to do in that case is to ask some locals! :P

But yeah I see what you're saying, I just wanted to be an ***. lol

-P

I agree on Google Maps, I find Live Search to better.

[DaveOke]

I've found that any setting I do in SURL AGPS has no effect on GPS performance.

After closing the GPS, one can see in the Debug screen that the GPS sats are not getting cleared... Seems like something that should be done when the GPS is closed.

Also, it seems the GPS receiver is ignoring Cold/Warm/Hot start commands in GPS viewer as well.

(I'm using 3.02 OMJ)

[Compusmurf]

Originally Posted by jethro_static

WAAS is not a satelite. LMFAO. It's a server developed by garmin for a more acurate position. 3 feet range as oppose to non WAAS enabled GPS chips, The range can be up to 3 meters.

Incorrect.

WAAS, Wide Area Augmentation System is NOT a server developed by garmin. It's owned by the US Govt, DOT and FAA for precision flight approaches. Its designed to correct signal errors and it uses ground stations AND satellites.

http://www8.garmin.com/aboutGPS/waas.html

[tichi]

Originally Posted by DaveOke

I've found that any setting I do in SURL AGPS has no effect on GPS performance.

After closing the GPS, one can see in the Debug screen that the GPS sats are not getting cleared... Seems like something that should be done when the GPS is closed.

Also, it seems the GPS receiver is ignoring Cold/Warm/Hot start commands in GPS viewer as well.

(I'm using 3.02 OMJ)

there's another setting I did not know about metioned here:
http://forum.ppcgeeks.com/showthread.php?t=33156

"-Under HKLM/Software/HTC/SUPL AGPS added dword key "EnablePDEIPFromNV " and value of 1 "

I'm not sure what does it do...