GPSTest

Contact owners and managers

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This Google Group is a discussion forum for users and developers of the GPSTest open-source Android app!

GPSTest is open-source on Github:

https://github.com/barbeau/gpstest

...and can be downloaded from Google Play here:

https://play.google.com/store/apps/details?id=com.android.gpstest

...as well as F-Droid at:

https://f-droid.org/packages/com.android.gpstest.osmdroid/

0 selected

Γιαννης Τσαραμπαρης, Sean Barbeau4

12/16/25

Sbas satellites

Hey Giannis, Good question! Apparently Qualcomm chipsets don't use SBAS satellites for ranging,

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Sbas satellites

Hey Giannis, Good question! Apparently Qualcomm chipsets don't use SBAS satellites for ranging,

12/16/25

Peter D, … Sean Barbeau6

9/22/25

Force a complete cold start

Interesting! Thanks for sharing the trick with "Location for Work Profile", maybe that was

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Force a complete cold start

Interesting! Thanks for sharing the trick with "Location for Work Profile", maybe that was

9/22/25

Invalid Data

9/2/25

Technology advance in LEO PNT

https://www.gpsworld.com/new-satellite-orbit-determination-method-could-boost-navigation-precision-

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Technology advance in LEO PNT

https://www.gpsworld.com/new-satellite-orbit-determination-method-could-boost-navigation-precision-

9/2/25

mohamed fathi, Sean Barbeau2

8/11/25

Latest GNSS Logger Version?

Hi Mohamed, The latest source code for the GnssLogger app (which is a bit dated at this point

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Latest GNSS Logger Version?

Hi Mohamed, The latest source code for the GnssLogger app (which is a bit dated at this point

8/11/25

Invalid Data, ndo...@gmail.com2

8/8/25

Real world test of L1C

GPS will not broadcast L1C from any satellite until the ground control software update (OCX) is in

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Real world test of L1C

GPS will not broadcast L1C from any satellite until the ground control software update (OCX) is in

8/8/25

Jeffry Schmitz, … ndo...@gmail.com23

8/8/25

Galileo EU GNSS System Not Available in the US

I got a new Moto 5G Stylus - 2025 version. In the USA it supports GPS, Glonass, and Galileo with L1/

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Galileo EU GNSS System Not Available in the US

I got a new Moto 5G Stylus - 2025 version. In the USA it supports GPS, Glonass, and Galileo with L1/

8/8/25

Csaba Csernátoni, … buil...@gmail.com17

7/29/25

accuracy: something I don't understand

You are welcome! "Was wondering how long it took approximately to validate a satellite" For

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accuracy: something I don't understand

You are welcome! "Was wondering how long it took approximately to validate a satellite" For

7/29/25

P Stacey, … Csaba Csernátoni8

7/27/25

Test the Open-Source PIC2BIM Android App – Powered by Satellite Accuracy

Hi, "Reset password" throws this error: On Thu, Jul 24, 2025 at 1:17 PM gpsfan <webvan@

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Test the Open-Source PIC2BIM Android App – Powered by Satellite Accuracy

Hi, "Reset password" throws this error: On Thu, Jul 24, 2025 at 1:17 PM gpsfan <webvan@

7/27/25

P, … Sean Barbeau3

7/14/25

UTM and or MGRS format?

There are two feature request issues open for this, please upvote them if you'd like to see the

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UTM and or MGRS format?

There are two feature request issues open for this, please upvote them if you'd like to see the

7/14/25

M, … NLTrams8

7/13/25

Can gpstest process raw gnss data?

I've posted an answer (description how to use a single constellation in the GNSS Analysis tool)

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Can gpstest process raw gnss data?

I've posted an answer (description how to use a single constellation in the GNSS Analysis tool)

7/13/25

Invalid Data, Sean Barbeau2

5/21/25

Xiaomi's cool patent about external GNSS module and antenna

Interesting, thanks for sharing! Sean On Wed, May 21, 2025, 6:48 AM Invalid Data <weitianq123@

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Xiaomi's cool patent about external GNSS module and antenna

Interesting, thanks for sharing! Sean On Wed, May 21, 2025, 6:48 AM Invalid Data <weitianq123@

5/21/25

Invalid Data

5/19/25

NLOS mitigation algorithm first debute in phone？

https://consumer.huawei.com/cn/phones/nova14-ultra/ the note No.19 in this page said: Building

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NLOS mitigation algorithm first debute in phone？

https://consumer.huawei.com/cn/phones/nova14-ultra/ the note No.19 in this page said: Building

5/19/25

Invalid Data

4/19/25

Mediatek to implement new L5 engine, powering smartphone and sport watch

https://www.ion.org/gnss/abstracts.cfm?paperID=15709 Smartphone today use low energy cost multi-band

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Mediatek to implement new L5 engine, powering smartphone and sport watch

https://www.ion.org/gnss/abstracts.cfm?paperID=15709 Smartphone today use low energy cost multi-band

4/19/25

Invalid Data, Sean Barbeau2

4/18/25

New Galileo G2 signal has emerged. Naming it E5 QP(Quasi-Plot)

Thanks for sharing! Sean On Thursday, April 17, 2025 at 9:38:34 PM UTC-4 weiti...@gmail.com wrote:

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New Galileo G2 signal has emerged. Naming it E5 QP(Quasi-Plot)

Thanks for sharing! Sean On Thursday, April 17, 2025 at 9:38:34 PM UTC-4 weiti...@gmail.com wrote:

4/18/25

Костя Стаханов, … Sean Barbeau7

3/28/25

SBAS support

>PRN131 WAAS covers nearly all of North America, but you're also seeing Russian, European,

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SBAS support

>PRN131 WAAS covers nearly all of North America, but you're also seeing Russian, European,

3/28/25

Invalid Data, … Sean Barbeau7

3/24/25

Beidou to integrate 80-168 low orbit sats into the constellation by 2035

By March 2025, delivery first batch satellites was launched. Two more batch planned on the way. https

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Beidou to integrate 80-168 low orbit sats into the constellation by 2035

By March 2025, delivery first batch satellites was launched. Two more batch planned on the way. https

3/24/25

Sean Barbeau2

2/8/25

FYI: Transfer of app from "barbeauDev" to "Sean Barbeau" Google Play developer account

The transfer is complete, so please let me know if you see any problems! Sean On Saturday, February 1

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FYI: Transfer of app from "barbeauDev" to "Sean Barbeau" Google Play developer account

The transfer is complete, so please let me know if you see any problems! Sean On Saturday, February 1

2/8/25

Mike L, Kurt Keller2

1/20/25

Beidou B2b on Huawei Pura & Mate 70

B2b on Vivo V40pro in North Thailand On Mon, 20 Jan 2025, 16:02 Mike L, <l.mi...@gmail.com>

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Beidou B2b on Huawei Pura & Mate 70

B2b on Vivo V40pro in North Thailand On Mon, 20 Jan 2025, 16:02 Mike L, <l.mi...@gmail.com>

1/20/25

israel kariti, … Miguel Faro9

1/14/25

RTK with Android (RTKLIB + correction data)

Hello, im looking into a similar but even more budget oriented alternative using an esp32 board and a

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RTK with Android (RTKLIB + correction data)

Hello, im looking into a similar but even more budget oriented alternative using an esp32 board and a

1/14/25

Marshall Rody (Herbert), Stewart Holt2

1/12/25

BenchMap Replacement / Alternative

BenchMap is on my Pixel 9 Pro with Android 15. I don't know why it would not be available on the

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BenchMap Replacement / Alternative

BenchMap is on my Pixel 9 Pro with Android 15. I don't know why it would not be available on the

1/12/25

mitsupini, … Sean Barbeau8

1/7/25

Samsung S24 Ultra - GLONAS missing

I've confirmed that this issue is fixed on the latest public release of the OneUI 7 beta (3rd

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Samsung S24 Ultra - GLONAS missing

I've confirmed that this issue is fixed on the latest public release of the OneUI 7 beta (3rd

1/7/25

songino, Sean Barbeau3

1/3/25

AE vs E flags: differences between devices (Pixel 7 vs 9 pro)

Hi! Please find here the link to the created issue: https://issuetracker.google.com/issues/387258085

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AE vs E flags: differences between devices (Pixel 7 vs 9 pro)

Hi! Please find here the link to the created issue: https://issuetracker.google.com/issues/387258085

1/3/25

Sean Barbeau, … Sean Barbeau5

1/3/25

New release rolling out - GPSTest v3.10.5

>1. just like the previous version i had said to my old post, also this new version does not show

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New release rolling out - GPSTest v3.10.5

>1. just like the previous version i had said to my old post, also this new version does not show

1/3/25

Die Google, … Jim bell23

12/28/24

Dual-band GPS database got nuked

One thing that I do not understand is how this phone can receive and handle so many different gnss

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Dual-band GPS database got nuked

One thing that I do not understand is how this phone can receive and handle so many different gnss

12/28/24

Tyler Kiehle, … Jean-Charles OLLAT11

12/19/24

Columbus P-7 Pro L5 Band Results?

Interresting test from japan Columbus P-7 Pro report On Wednesday, April 24, 2024 at 5:02:40 PM UTC+2

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Columbus P-7 Pro L5 Band Results?

Interresting test from japan Columbus P-7 Pro report On Wednesday, April 24, 2024 at 5:02:40 PM UTC+2

12/19/24

Костя Стаханов, … Sean Barbeau7

11/21/24

Re: Digest for gpstest_android@googlegroups.com - 7 updates in 1 topic

Yes, I implemented the network vs. GNSS time spoof check. NTP time from an NTP server is used along

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Re: Digest for gpstest_android@googlegroups.com - 7 updates in 1 topic

Yes, I implemented the network vs. GNSS time spoof check. NTP time from an NTP server is used along

11/21/24

Felipe Karelovic, Robert Enger2

9/25/24

Phone recommendation with good precision

Is there some sort of UBLOX usb dongle that makes better sense? Plug it into a laptop computer. They

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Phone recommendation with good precision

Is there some sort of UBLOX usb dongle that makes better sense? Plug it into a laptop computer. They

9/25/24

Костя Стаханов (Константин Кривбасс), … Sean Barbeau (xWF)8

9/24/24

SBAS satellites and other correction systems

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SBAS satellites and other correction systems

9/24/24

Sean Barbeau, … Invalid Data8

9/18/24

Limitations of using L5 on phones

My observation of smart phone industry is, hardware design changes are not favorite of manufacturer.

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Limitations of using L5 on phones

My observation of smart phone industry is, hardware design changes are not favorite of manufacturer.

9/18/24

Aron Szabo, Sean Barbeau3

9/17/24

GALILEO/OSNMA, stability of measurement

Hi Sean, thanks for the hint! I have missed that! OK, I have enabled "Force full GNSS

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GALILEO/OSNMA, stability of measurement

Hi Sean, thanks for the hint! I have missed that! OK, I have enabled "Force full GNSS

9/17/24