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my gps is out more than a kilometre (a little less than a mile)
any ideas? i am using gpsviewer and tomtom6
i have dcd 2.3.1 rom
3.27 radio
any ideas?
ack
out? You mean it's off by more than a mile?
If so... someone's cloned your phone? :/ donno sorry.
dieseldennis said:
my gps is out more than a kilometre (a little less than a mile)
any ideas? i am using gpsviewer and tomtom6
i have dcd 2.3.1 rom
3.27 radio
any ideas?
ack
Click to expand...
Click to collapse
That is a trip. So you are a mile away using Tom Tom?
Because if you where using Google Maps or Microsoft Live Search it would make sense because they tend to use agps (Cellular Towers) first to try and find your location and then they use the GPS receiver.
It might be the baud rate.... who knows. Or maybe just try to wait until it locks to at least 4 satellites for a better accurate read.
yeah it is a bit of a trip........
sometimes i get up to 6 7 or 8 sat locked on and im still out just as much.
im downloading iguidance right now im hoping its a mapping prob with tomtom.............i googled it and other people are having simular map issues with tomtom6.
wish me luck
anyone running iguidance ? any instal tips anyone has id appreciate it
Mine is perfect
I am useing the same as you and mine is bang on, i mean right to the foot nearly.
dieseldennis said:
yeah it is a bit of a trip........
sometimes i get up to 6 7 or 8 sat locked on and im still out just as much.
im downloading iguidance right now im hoping its a mapping prob with tomtom.............i googled it and other people are having simular map issues with tomtom6.
wish me luck
anyone running iguidance ? any instal tips anyone has id appreciate it
Click to expand...
Click to collapse
That sucks man. Hopefully iguidance works for you. I have Tom Tom Navigator 6 and havent had any issues with it. I hear it sucks for rural places. That is why sometimes people use Garmin.
I wasn't able to replicate your results thus I cannot resolve this. But feel free to let us know how iguidance is. I haven't tried it.
Perhaps your in a linear superposition of two position eigenstates. When your gps takes a measurement your wave function collapses to one or the other. If there are two different routes to the local store,you could try going shopping and see if you interfere with yourself when you arrive. ;-)
I am using tomtom ,igo and destinator and they perform just as well if nto better then my bluetooth gps receiver.
dieseldennis said:
my gps is out more than a kilometre (a little less than a mile)
any ideas? i am using gpsviewer and tomtom6
i have dcd 2.3.1 rom
3.27 radio
any ideas?
ack
Click to expand...
Click to collapse
soft reset...was happening to me..hadn't had to soft reset in like 3 days..did a soft reset and was good. my problem was that gps kept connecting quickly...but its active location was like 1-2 miles from where i actually was...
soft resetting usually does a phone good anyway, I usually soft reset when i wake up.
btw my sprint Navigation is "Dead Nut" I drove to this real exclusive part of Truckee to do an estimate and it put me right to the peoples front door....AND IT WAS A NEW HOUSE!!!
Had this happen to me once...more than a mile actually, nearly oh, 6km or so. I tried to soft reset, multiple times and it didn't do jack. (Was using Google maps.) I just left it, as in, didn't play with the GPS for a day cause I got frustrated trying to fix it and lo and behold, it worked again. So...shrug, don't fret over it unless its ALWAYS a mile off...
verkion
Try the things in this thread. it worked for me... I am using Delorme Street Atlas for now because I already own it & am to cheap to pay for the internet on my phone... And it was always off by alot.. Then I tried the baffles sw & it worked... And now I'm trying the VisualGPSce & it appears to work better even... It even shows me in the backyard vs the front yard.
http://forum.ppcgeeks.com/showthread.php?t=17032
Different GPS problems
When your GPS gives you the wrong location, it can only fall into 2 categories.
Satellite Signal-Signals have been known to do all sorts of weird things. You are dealing with a very weak signal when you use GPS and it is prone to bouncing off of all sorts of things. This "bouncing" delays the arrival at your receiver and causes your location to be off.
Software-Software can be the second issue. This can either be the mapping software(such TomTom) or it can be a computational error. Your GPS is pinpointing your location by comparing "clocks". Sometimes it can 'flub' and make a mistake, but this is extremely rare.
Given that you were CONSTANTLY off by 1 mile, I would feel safe assuming that this was a software issue. I would test multiple mapping systems(especially Google Maps).
If you are using your GPS is an area with high buildings, hills, or inside of a building you might notice "jumping".
Telenav works perfectly and has data assisted location.
Ahhh
You are about to enter another dimension, a dimension not only of sight and sound but of mind. A journey into a wondrous land of imagination. Next stop, the Twilight Zone…
Do do do do, do do do do
Maybe there is something wrong with your phones GPS chip. As I use QuickGPS, Astrolauncher, and TomTom 6 and I am right on every time....
I'm just posting because lately I've discovered a pretty nice little trick for our beloved bittersweet GPS.
As most of you know, sometimes the GPS likes to think for itself and decide whether it wants to lock sats quickly or painfully slowly. Same goes for me, sometimes I get a lock within seconds, sometimes it takes 5-10 minutes (all the time using GPSViewer to cold start it first).
Well, for the past week I've been using WiFiFoFum while I'm driving to track AP's while using the GPS function to log long. and lat. and collect them into a merged kml file for Google Earth. When I first enabled the GPS function in WiFiFoFum, I noticed that I got a fix and lock almost instantaneously, not even using GPSViewer (my GPS had not been used for at least over 24 hours). I thought it was probably a fluke and shrugged it off, but sure enough the next day I go to use it and BAM another lock within 5 seconds, again no GPSViewer. I've been doing this now for 7 days straight, and each day is the same thing, very quick fixes and locks. I don't know what is going on in the background, but screw GPSViewer, I'm using this from now on to start my GPS.
As always though YMMV, but I'd like to get some feedback if people decide to try it.
Cheers.
I would have to agree on this find and praise for you on how much faster than gpsveiwer is. Iv only gotten the chance to use a few time but got a fix within 30sec of opening
I will try this today and let everyone know if I have the same findings.
Can anyone recommend some good gps software for off road and topo maps?
Thanks,
Mr.ellsworth
actually been using wififofum to grab a lock since the day i got my gps working. it helps that im a wardriver too but definitely the same results here. wififofum grabs locks quickly and accurately. i usually let it run in the background while i start up nav4all or googlemaps.
actually been using wififofum to grab a lock since the day i got my gps working. it helps that im a wardriver too but definitely the same results here. wififofum grabs locks quickly and accurately. i usually let it run in the background while i start up nav4all or googlemaps.
Click to expand...
Click to collapse
I too am a fellow wardriver...though I don't use the titan for my 'official' wardriving escapades lol.
I like to take it old school with my orinoco pcmcia w/ external antenna connected to a parabolic dish mounted on my roof. Gentoo laptop with kismet configured to use festival, with sound routed through my car speakers...
Getting all worked up just talking about it...lol
you setup makes my humble titan weep. in all honesty, i have a hard time giving up the usability and ease of wififofum. that software is just awesome. i use kismac on my macbook when im running it off of my computer but i just cant get over how easy it is to just use wififofum. cant wait until someone figures out how to enable the gps in out titans to work over bluetooth so we can hook those up to our comps
Try this... http://forum.ppcgeeks.com/showthread.php?t=21248&highlight=gps+toggle
Oh yeah... I think AmazeGPS will be good once they make it for windows mobile 6. Right now they have a BETA version. http://amazegps.com/welcome.php
Oh yeah... I think AmazeGPS will be good once they make it for windows mobile 6. Right now they have a BETA version. http://amazegps.com/welcome.php
Click to expand...
Click to collapse
Looks like ALPHA to me....big difference
gcincotta said:
I'm just posting because lately I've discovered a pretty nice little trick for our beloved bittersweet GPS.
As most of you know, sometimes the GPS likes to think for itself and decide whether it wants to lock sats quickly or painfully slowly. Same goes for me, sometimes I get a lock within seconds, sometimes it takes 5-10 minutes (all the time using GPSViewer to cold start it first).
Well, for the past week I've been using WiFiFoFum while I'm driving to track AP's while using the GPS function to log long. and lat. and collect them into a merged kml file for Google Earth. When I first enabled the GPS function in WiFiFoFum, I noticed that I got a fix and lock almost instantaneously, not even using GPSViewer (my GPS had not been used for at least over 24 hours). I thought it was probably a fluke and shrugged it off, but sure enough the next day I go to use it and BAM another lock within 5 seconds, again no GPSViewer. I've been doing this now for 7 days straight, and each day is the same thing, very quick fixes and locks. I don't know what is going on in the background, but screw GPSViewer, I'm using this from now on to start my GPS.
As always though YMMV, but I'd like to get some feedback if people decide to try it.
Cheers.
Click to expand...
Click to collapse
Hey there, I just installed this on my xv6800 and it doesn't get any locks on sats with gps on. What should the settings be? I have them on Com4 and 4800 baud?
My results
I used TomTom 6 for a month or so and started it with GPSviewer and have the same results, sometimes it locks fast, sometimes grabs a bunch of sats but drops them before it gets a chance to lock and will keep this up seems like forever. I loaded up Garmin Mobile XT last night and find that it will start the GPS and lock within 5 seconds every time. This was amazing to me so I have tried everything to get it to NOT do it that well and I can not get it to fail.
madman34 said:
I used TomTom 6 for a month or so and started it with GPSviewer and have the same results, sometimes it locks fast, sometimes grabs a bunch of sats but drops them before it gets a chance to lock and will keep this up seems like forever. I loaded up Garmin Mobile XT last night and find that it will start the GPS and lock within 5 seconds every time. This was amazing to me so I have tried everything to get it to NOT do it that well and I can not get it to fail.
Click to expand...
Click to collapse
give it time.
i have had days at a time, where i "can't get it to fail" but then once in a while it just gets annoyed with me and is buggy for a day or two. today being one of those days. i can get it to work, with soft resets and patience, but some days no matter what i do, it always works within a minute
GPSViewer can get buggy if you switch the tabs at the bottom more than once. The second tab will stop updating (you can tell this when the time freezes) and it will look like you haven't locked anything, when you actually have. Go back and forth to refresh it again.
Guys...this thread wasn't supposed to be about GPSViewer...the whole point of the thread was to do away with it.
To the guy who's having slow results with GPSViewer:
Read my OP and try and get a fix WITHOUT starting GPSViewer. So far every day for the past 9 days I've tried it, it's been quick and flawless.
Also, I don't think I mentioned it, but make sure wifi is on and you're actually "scanning" with wififofum (with the gps option enabled)...don't just open wififofum and enable gps without actually scanning.
Yup WiFiFoFum works great.
Before I wouldn't be able to lock a Satellite connection @ work ( inside a two story building, elevator, everything that would make the signal weak ) with Tom Tom using any other GPS starter program.
With this it gave me a connection in about 5 seconds. Not only that but I can use it to find Rouge WiFi connections at work.
I should also point out....once Wififofum locks the sats, you don't have to keep it open. You can close it and turn off wifi, then use your GPS software of choice.
gcincotta said:
I should also point out....once Wififofum locks the sats, you don't have to keep it open. You can close it and turn off wifi, then use your GPS software of choice.
Click to expand...
Click to collapse
gcincotta -- What kind of information will you see in Google Maps with the data?
gcincotta -- What kind of information will you see in Google Maps with the data?
Click to expand...
Click to collapse
What data are you referring to?
I could never get GPS to work reliably with GPSViewer or google maps, etc....rarely it works, most of the time it doesn't, and WiFoFum is no different. It states GPS: NoFix (0) for me, outside, clear day, following everything here, wifi on, scanning, etc...
There is no magik here that makes your titan work with this program when it doesn't work with others.
I could never get GPS to work reliably with GPSViewer or google maps, etc....rarely it works, most of the time it doesn't, and WiFoFum is no different. It states GPS: NoFix (0) for me, outside, clear day, following everything here, wifi on, scanning, etc...
There is no magik here that makes your titan work with this program when it doesn't work with others.
Click to expand...
Click to collapse
Mine started working instantly all of a sudden when using this program, when it would take a while with other programs. Did it ever occur to you sir that you may have a defective GPSOne chipset in your device? Or perhaps maybe you have it set up wrong? I love your negativity though!
I've benn having issues with the Garmin Mobile XT... I have now the Sprint 3.56.651 ROM AND 3.42.30 RADIO...
when I run Garmin it automatically detects satellites without any other GPS aplication (GPSProxy, GPSGate o others...) but it only locks 3 satellites and it doesn't give me my position...
Is there something i'm doing wrong?? what do I need to get this thing working???
The big answer that you have not provided is if any other application returns the same GPS performance. Garmin, as others, only receives the data as provided by the GPSOne chipset, and I cannot see any reason why it could cripple that data.
Try again with a diagnostic app such as VisualGPSce. What you describe sounds like a rather common problem with the Titan in that it is seeing a few satellites but fails to lock-on to them and that is why you cannot determine your position. In a clearing outside, wait up to a half hour.. Try GC's QPST GPS hack.. Etc.. Garmin is unlikely to be the issue.
all right...
I already did the GPS Hack with QPST... I already waited for like 2 hours (I was washing my car) and it did lock up to 6 satellites but it still didn't give me my position...
I installed GPSProxy, GPSGate and many others but I have problems on that applications... first it doesn't show me any satellite, after 10-15 seconds it shows me like 10-15 satellites on the screen but only for a second or so and then they disappear again... this happens in a loop, it shows me the 10-15 satellites for a second, it waits for 10-15 seconds and then it shows them on the screen again for a second..........
I'm going to try VisualGPSce to see if I have any luck... i'll keep you posted...
I am running latest radio and dcd's rom with Garmin Mobile XT on VZW with the GPS Hack with QPST and get locks within 30 secs and 7 to 9 sats.
Not sure if that helps or not.
what radio are you runing?? i have 3.42.30
I don't understand what everyone is doing. I am running Garmin Mobile XT myself, and have been for a couple of months. With the Newest radio rom, and DCD 3.2, I have no problems locking sats. Normally when I start the program, by the time it's up and running, I have a lock on enough sats to get the bars all green. It's just that fast. Not sure what your doing wrong.
I run Garmin Mobile XT with absolutely no problems on VZW.
P.S. I still prime with HTC GPS Tool prior to opening Garmin.
ok still no luck...
are you selecting the GPS on Garmin as COM4:COM4: or as GPS Intermediate Driver??
GPS Intermediate Driver
Working Great
using Baf's GPS toggler cooked into 19588 rom set to standalone in registry
meaning no assisted gps radio 3.42.30. Locks in less than a minute while inside house. Using Garmin Mobile XT.
Chemdawg said:
I don't understand what everyone is doing. I am running Garmin Mobile XT myself, and have been for a couple of months. With the Newest radio rom, and DCD 3.2, I have no problems locking sats. ... It's just that fast. Not sure what your doing wrong.
Click to expand...
Click to collapse
Careful in rushing to blame user error. Some Titans -- regardless of software settings -- just cannot match the GPS performance of other Titans. I've witnessed this myself with two Titans side-by-side. Sadly, it can be a luck of the draw...
The repeating loop of flipping back and forth between the same sets of satellites often occurs when the chipset is stuck in standby mode, so a resolution is to soft-reset the Titan. nelsongruebr's description of satellite "locks" are probably not locks but basic reception of the visible satellites before a lock - if ever - is attained. The description here of poor performance is very similar to what had stumped me on some Titans... Sadly, there may be no resolution.
I've been running Garmin Mobile for about a month on no2chem's 5067 rom and I have not had problems. I don't have to do anything other than open Garmin and within 30 seconds, I have a lock. At first, I was using the 3.39.10 radio and now I'm using 3.42.30.
so basically maybe my Titan can never be used for GPS? or maybe doing a hard reset or flashing another ROM?
Today I tried to get a lock by letting the GPS Intermediate Driver search for satellites on Garmin Mobile XT for quiet some time and had no luck... it could not even find one single satellite...
On the other hand, when I activated the COM4:COM4: it find 3 satellites, it locked to them but didn't give me a fix or a position...
I installed GPSVisualce... First it did find some satellites, like seven of them but after a couple of seconds it loose them... but I checked the coordinates that it marked and they were pretty close to where I was... so maybe it is user problem... maybe I'm missing something...
So I bring up these new questions:
What version of Garmin Mobile XT are you using?
Is somebody with the same ROM and RADIO having the same problem? (Sprint 3.56.651.0 Radio 3.42.30)
Should I flash another ROM?
thanks!!!
You need to prime the GPS first before running Garmin.
Prime it with HTC GPS Tool or GPSViewer. Once it locks, close the primer and open Garmin. Go into settings and Disable COM4:COM4, then click GPS Intermediate Driver, then click Enable.
Your problem should not be the ROM, Radio, or Garmin XT. Keep playing around with VisualGPSce as it's quick and easy to configure to use the appropriate port and will give you an easy reference as to how many satellites are seen and the number of those that a lock is made on.
Beyond that and attempting GC's QPTS GPS edit, place the blame on your hardware. The description you've given on your Titan seeing some satellites, possibly locking, and then losing then is all too familiar to what I've experienced with another Titan. You're not alone.
Problem solved!!!!
yesterday I hard reset my device and after that just installed VisualGPSce and Garmin Mobile Xt so I can try it without any other software...
I went to my house and right where I was about to go to sleep I put my Titan on his Charging cradle and open VisualGPSce and then opened Garmin Mobile XT and leave it there on my night stand all night... to my surprise when I woke up it had a lock on 7 satellites!!!! on my nighstand!!!
I supposed it needed to get a lock for some time since I'm in Venezuela and I supose it was going to be harder to lock from anther country than to lock in the US...
Thanks to everyone who posted here and tried to helped me!!!!
Excellent! Yes, when the cell network assistance feature of AGPS isn't available, for some reason the chipset on our Titans can take quite a while to download the satellite ephemeris data directly from the satellites. Though I think that you're one of the first who's recorded it requiring more than a half hour!
hehe!! i'll say more than 5 hours, cause when I saw the time data on Garmin it said that the stopped time was only like an hour and a half, so it took mora than 5 hours to get that lock...
But I think I spoke to early, yesterday when I got out of work I wanted to try to get a lock to see how long it takes, but to my surprise it didn't locked on any satellites!! not even one!! I left it again overnight and nothing!! so I'm back to zero :'(
I'll be informing you how it behaves today...
Keystone said:
Careful in rushing to blame user error. Some Titans -- regardless of software settings -- just cannot match the GPS performance of other Titans. I've witnessed this myself with two Titans side-by-side. Sadly, it can be a luck of the draw...
The repeating loop of flipping back and forth between the same sets of satellites often occurs when the chipset is stuck in standby mode, so a resolution is to soft-reset the Titan. nelsongruebr's description of satellite "locks" are probably not locks but basic reception of the visible satellites before a lock - if ever - is attained. The description here of poor performance is very similar to what had stumped me on some Titans... Sadly, there may be no resolution.
Click to expand...
Click to collapse
I am a newbie here but as a computer engineer I totally agree. We buy many PCs, scanners, printers, etc. all of the same brand. I can have several of the exact same items on the bench and so will not do as the identical sister/brother unit will do. My theory as a tech has been Bubba went to work mad at his wife and said what the hell I am going to just throw this crap together. Then on the flip side you have the new guy wanting to make a good impression and he spends 2 hours on one product where he should have gotten out four in that same two hours...
I think it depends on the device as well...just luck of the purchase...
ok, i kinda figure out what was the problem...
As I told you before, I live in Caracas, Venezuela... and recently the government decided to change the hour (yeah I know... What the hell where they thinking) from GMT -4.00 Caracas, La Paz, to GMT -4.30 Caracas... so Microsoft created a Patch to add the new Time Zone for Caracas... I have been installing this patch for about a year now without a problem (i had previously a HTC Touch and a HTC Excalibur) without any problems... So i instal it on my Titan and thats it...
To my surprise when i did a hard reset to delete everything and installed only Garmin Mobile and VirtualGPSce tha GPS work flawlessly... I said Great!!! It work's!!! so I installed the aplications that I normally have on my Titan INCLUDING the Patch for the New Timezone, and here is where the fun begins... the GPS stop working!!!! I didn't know it was the Time Zone patch until i performed another Hard Reset and Installed only a few aplications and the GPS kept working perfectly...
Today I'm going to install ALL the aplications that I use except the Patch to see if that does the trick...
I'll be posting tonight to tell you how it goes...
I had the Samsung Galaxy S Vibrant (American Version) and I loved it! However I was never able to use the GPS functions. It was kinda annoying but the phone was worth it.
I am thinking about getting the new version but this time I NEED the GPS to be working well. I have been trying to find info about it but I am still not able to find the right info.
I am playing Golf and I just started a course to get my Driver License so it will be nice to have something to guide me around places that I dunno .
Cheers!
Coniglio said:
I had the Samsung Galaxy S Vibrant (American Version) and I loved it! However I was never able to use the GPS functions. It was kinda annoying but the phone was worth it.
I am thinking about getting the new version but this time I NEED the GPS to be working well. I have been trying to find info about it but I am still not able to find the right info.
I am playing Golf and I just started a course to get my Driver License so it will be nice to have something to guide me around places that I dunno .
Cheers!
Click to expand...
Click to collapse
yes the gps need few moments to lock in. after first lock its only need an about 5-6 sec to relog again. No issues at all with GPS - its working perfect. if u will have the phone and u will search for gps navigation send me a pm and i may have something for u (sygic). u cant go wrong with this device
Well I had the Galaxy I and it was so bad I returned it after a month. I've been testing the Galaxy II for 3 days now and so far all the GPS tracks I've recorded have been pretty good. It appears to hold on to locks quite decently (unlike the SGS 1) and is a lot more accurate.
It's no reference GPS unit and no geocaching wonder, but it appers to be good enough for driving navigation and pretty "common usage", which is a lot better than the Galaxy I, a GPS disaster.
mine isnt very good!!
i get 20 meter accuracy with a-gps where at the same time my friends Arc gets 5-7 meter accuracy with gps only
Very good no complaints .
jje
dudi1986 said:
mine isnt very good!!
i get 20 meter accuracy with a-gps where at the same time my friends Arc gets 5-7 meter accuracy with gps only
Click to expand...
Click to collapse
Same problem.
Normally, my SGS2 gets 8-20m accuracy while HTC phones get <5m always.
Thanks guys! I have got myself this beauty about 2 hours ago. I have tried the maps app and its working. So far only with a crappy wifi signal and with my 3Gs connection that seems to be working kinda odd (it goes off and on and then for a while it appears and H as internet connection).
So far with the crappy wifi connection (about 50 meters away in another building) I am getting a lock with 30-40 meters. And with the 3Gs was the same however, the connection keeps changing to H while trying to get a lock. I have tried just about 3 mins ago with 3gs and I was only getting 800 meters .
So it seems ok but completly perfect. if I start to get locks over 50mts I should exchange the phone, right?
Cheers
whats the "Use sensor aiding" for? Does it helps? or its useless ?
Coniglio said:
whats the "Use sensor aiding" for? Does it helps? or its useless ?
Click to expand...
Click to collapse
I think it uses Wifi + GSM network to help triangulate
Micksta said:
I think it uses Wifi + GSM network to help triangulate
Click to expand...
Click to collapse
So, that´s a "Its good, leave it on as well"? LOL hihih
thanks
Hi Guys ;
I am having this GPS fix problem with my SGS II, sometimes although I am in open air my phone GPS can not fix, but right now although I am in my apartment it can fix in 5 seconds !
The only difference is that right now I am connected to my wifi but outside I use EDGE internet.
I have searched a lot and I see everyone is talking about the time sync and NTP servers and etc. I completely understand how time sync works as I have a lot of experience with linux machines. but I can not understand how it is related to getting GPS fix !
There are some GPS equipment without internet access at all and they can successfully get a fix very fast, so why our phones needs NTP servers to get a GPS fix ? what if I need a GPS fix where there is no internet at all !?
I would appreciate if someone can enlighten me on this topic.
The phone doesn't need NTP server, it just speed things up. A stand alone GPS will take a minute or two on cold start to get first fix since it can sync with satellite, just slowly.
The reason you need time sync is GPS satellite send out a time stamped signal with its location, your phone gets it and calculate how long it took it get it, then triangulate your position from signal from several satellite.
jzmtl said:
The phone doesn't need NTP server, it just speed things up. A stand alone GPS will take a minute or two on cold start to get first fix since it can sync with satellite, just slowly.
The reason you need time sync is GPS satellite send out a time stamped signal with its location, your phone gets it and calculate how long it took it get it, then triangulate your position from signal from several satellite.
Click to expand...
Click to collapse
OK I get the idea , so even without the NTP servers the phone should be able to get a fix on GPS but slower, but sometimes my phone can not get a fix in even 5 minutes when it has 9 satellites in view ! and sometimes it gets a fix faster by 3-4 satellites. I use GPS AIDS to see how many sats are in view.
is there any way to debug the process ? I really dont understand why when it has 10 satellites in view, it can not take a gps fix.
If the signal is weak, it may take a long time, I use an app called gps test and it shows how strong signal is from each satellite.
Thx for all replies, I did some more research and it seems just having sats in view is not everything. a lot more information is required to get a gps fix. so internet connection is not only necessary for NTP servers, other info are also downloaded from internet to speed up the process. if you have no or slow connection getting a fix may take longer.
more info can be found here :
http://www.maptoaster.com/maptoaster-topo-nz/articles/how-gps-works/how-gps-works.html
fifthelement said:
Thx for all replies, I did some more research and it seems just having sats in view is not everything. a lot more information is required to get a gps fix. so internet connection is not only necessary for NTP servers, other info are also downloaded from internet to speed up the process. if you have no or slow connection getting a fix may take longer.
more info can be found here :
http://www.maptoaster.com/maptoaster-topo-nz/articles/how-gps-works/how-gps-works.html
Click to expand...
Click to collapse
As posted a good unit and reasonable number of satellites does not require AGPS/Internet . They are just used to speed up and to help when a signal is briefly lost . Neither AGPS or Internet are ever on when i use my GPS .
jje
JJEgan said:
As posted a good unit and reasonable number of satellites does not require AGPS/Internet . They are just used to speed up and to help when a signal is briefly lost . Neither AGPS or Internet are ever on when i use my GPS .
jje
Click to expand...
Click to collapse
Thats what I said but it depends on many factors. without AGPS/Internet it may take a reasonable time for a cold start. as the device should search for available sats and wait for them to send their periodical signal updates. for some old devices this reasonable time is up to one hour to get a gps fix. the link which I posted explains it all.