[Q] GLONASS versus GPS - Samsung Galaxy S Blaze 4G

Hello,
According "GPS Test" (android app for checking GPS stats) the Blaze is capable of both GPS and GLONASS (Russian equivalent of GPS).
Currently the phone is set to use both GPS and GLONASS simultaneously which provides very accurate positioning. I can see with GPS Test that the phone is locking on to GPS and using GLONASS to assist GPS.
Is there a way to set the phone to prefer GLONASS over GPS or disable GPS entirely or vice versa?

Related

Inbuilt GPS issue

hi,
i am able to c more than 6 or 7 statellite with HTC GPS tool by using inbuilt GPS, but no coordinates are displaying.
when i use an external gps (holux) i am able to get 4 or 5 satellite with HTC gps tool, and getting gps coordinates as well.
have any idea why the inbuild GPS not getting coordinates even after detecting more than 6 or 7 satellites ?

GPS recommended baudrate etc

Hi there,
Have been trying to setup the gps signal on my dads touch pro (raphael), however it seems incapable of getting any kind of GPS receipt.
I've installed HTC GPS tool to test this and have tested 57600 (default) and now 4800 baud rate. It does not seem to get ANY response, does not find a satellite whatsoever. I've also set it to cold start, and have run quickgps beforehand.
What settings do you guys use to get a GPS fix and do you have any suggestions for me?
Rom version is latest official, so is radio. No hardspl or any of that stuff installed, stock touch pro.
boud will make no difference at all
it's an old leftover from when gps was serial rs232 connected
and even back then it would make no difference as long
as the wired gps supported the chosen boudrate
preciously few data is being transmitted from a gps
but mind you it's rare to get a gps to work inside try outside or in a car
there they work
use ChartCross GPS app
it auto detects GPS and gives you indication on the progress of getting the GPS fix
usually it's COM4, baud could be 4800, 9600 (i've used these two) or anythinf
cold fix indoors (with QuickGPS almanac downloaded), i could get one indoors in 5 minutes... less than a minute outside of course

[Q] Google Navigation jiggles

Hi!
I'm using my tf in my car as navigation system. I have the direct comparison to my Samsung Galaxy S (SGS) smart phone and I have to say that Google Navigation isn't running smooth for me. When driving through the streets, the displayed position jumps or jiggles from point to point in an interval with about 6 seconds. My SGS can handle this smooth, with the arrow moving in a constant speed over the maps.
First I expected that the TF has a worse GPS module but it seems that the GPS receiving is pretty good with other diagnostic apps. Could it be that Google Navigation runs better on a slower and older device?
How can I fix this problem? I have the newest OTA update from 25th Aug for DE.
thx
Could you try another navigation software? May be its some of the background app/temps.
How are you getting your Map update?
You will need a 3G data to push the maps (unless you have pre-downloaded them first of course).
Beards said:
How are you getting your Map update?
You will need a 3G data to push the maps (unless you have pre-downloaded them first of course).
Click to expand...
Click to collapse
I activate wlan tethering on my phone and connect the tablet over wlan. Works very good and the map updating is pretty fast. It also possible to listen to webstreams or watch youtube without any problem so I don't expect a problem on the internet connection.
thx for your answer anyway
Can somebody confirm, that it should be possible to have a smooth navigation in google maps navigation? Maybe it is a basically problem with the transformer?
fpdragon said:
I activate wlan tethering on my phone and connect the tablet over wlan. Works very good and the map updating is pretty fast. It also possible to listen to webstreams or watch youtube without any problem so I don't expect a problem on the internet connection.
thx for your answer anyway
Click to expand...
Click to collapse
Understood.....
Try this and see if there is any difference:-
Next time you have a WLAN connection on your TF load Google Maps and download a map you would use for a particular journey.
When you next go out try using just your TF (not tethered) and the downloaded map.
Basically at this stage all we are trying to ascertain if the issue is with tethering or map updates.
Beards said:
Understood.....
Try this and see if there is any difference:-
Next time you have a WLAN connection on your TF load Google Maps and download a map you would use for a particular journey.
When you next go out try using just your TF (not tethered) and the downloaded map.
Basically at this stage all we are trying to ascertain if the issue is with tethering or map updates.
Click to expand...
Click to collapse
2 things:
first... I think the beta labs feature to download maps is just for google maps and not google maps navigation. anyway... I make an offline test.
second... Do you mean to make a test without wlan or bluetooth enabled? Right now there must be much wireless traffic in my car:
bluetooth: phone to parrot
bluetooth: tablet to parrot
wlan: phone to tablet
other wireless: parrot wireless steering wheel remote
Maybe something of these disturbs the GPS?
Your phone is cheating. It has an assisted GPS that uses both GPS and cell triangulation to speed up lock and help maintain location when GPS is weak, without cellular your tf has to rely only on a limited GPS chip.
ryan stewart said:
Your phone is cheating. It has an assisted GPS that uses both GPS and cell triangulation to speed up lock and help maintain location when GPS is weak, without cellular your tf has to rely only on a limited GPS chip.
Click to expand...
Click to collapse
Exactly what I was building up to Ryan.
ryan stewart said:
Your phone is cheating. It has an assisted GPS that uses both GPS and cell triangulation to speed up lock and help maintain location when GPS is weak, without cellular your tf has to rely only on a limited GPS chip.
Click to expand...
Click to collapse
I have to say that I develop GPS Receiver for space use and I know a little bit about GPS
Anyway AGPS or assisted GPS just speeds up the first fix (as you said) and can fix the position error a very little bit. On weak GPS signal it wont make any difference if you have AGPS or GPS. Both wont work and none would work better or worse. With no GPS signal the AGPS Receiver would only know where the satellites are but thats it and he can't navigate with this info only.
So I don't expect a problem due to the not available AGPS, just to stop the speculation .
Maybe it's a SW thing or the GPS chip is just bad.
Anyway I still don't know if google navigation is running smoth on your tablet?
The Problem is solved...
A Speedometer Widget seems to be the cause:
https://market.android.com/details?id=it.opbyte.odometerwidget&feature=search_result
I uninstalled the widget and Google Maps Navigation runs fluently.
thank you all for helping

[Q] Does Xoom built in gps produce nmea data?

Turbo GPS, downloadable from Google Play has a feature that displays nmea sentences from a built in gps. However, although the built in gps is on and lat/long displays in Turbo GPS (and GPS Test), there is apparently no nmea sentence output by the gps. Is this attributable to the gps hardware, or a driver/software issue. I cannot yet post comments in the developer forum - especially the Xoom UMTS 3g Jellybean forum where custom ROMS are developed. So, if someone can raise this issue there I'd be very thankful.
I am downloading update 154 now and have been running 146.
Thanks,
armido
Have answer...
armido said:
Turbo GPS, downloadable from Google Play has a feature that displays nmea sentences from a built in gps. However, although the built in gps is on and lat/long displays in Turbo GPS (and GPS Test), there is apparently no nmea sentence output by the gps. Is this attributable to the gps hardware, or a driver/software issue. I cannot yet post comments in the developer forum - especially the Xoom UMTS 3g Jellybean forum where custom ROMS are developed. So, if someone can raise this issue there I'd be very thankful.
I am downloading update 154 now and have been running 146.
Thanks,
armido
Click to expand...
Click to collapse
Motorola confirms the Xoom's built in gps only gives position. The Xoom is probably not the only device who's gps does this. So, the gps is useless for programs that use nmea data - like OpenCPN. We need somebody to put together a server that uses positional information to generate 'fake' nmea data so our Xooms can use the built in gps with OpenCPN. Anyone able to help out there?
armido
Solution using internal gps with programs in chroot linux environment
armido said:
Motorola confirms the Xoom's built in gps only gives position. The Xoom is probably not the only device who's gps does this. So, the gps is useless for programs that use nmea data - like OpenCPN. We need somebody to put together a server that uses positional information to generate 'fake' nmea data so our Xooms can use the built in gps with OpenCPN. Anyone able to help out there?
armido
Click to expand...
Click to collapse
'GPS Share WIFI', downloadable from Google Play enables Xoom users to connect the built in gps with programs running in a linux chroot environment. No external router or other device required!

Enabling Galileo GNSS

The OP6 is known to support the Galileo satellite navigation system-but was not authorized for use in the US until recently. I'm on 9.02 and using the GPSTest App that supports Galileo, in Galileo coverage and only see GPS, GLONASS and SBAS. A Pixel 3 user has reported seeing Galileo data being used with the GPSTest app. Over 20 good satellites are unused in the OP6.
How is Galileo data turned on in the OP6 and what turns it off in the first place considering it is apparently enabled when in Europe?

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