Greetings All:

Does anyone know the location of user instructions for and/or have personal experience using the "GPS TEST" Phone software for Surveying?

Any assistance would be greatly appreciated.

Thank you,

Chris Vogel

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I have this app on my Android phone, but have better apps that I use, but not for surveying. I'm a retired Land Surveyor. What sort of surveying do you want to do with a phone?

Hi Tom:

Was hoping to identify some property line boundary corners on various vacant land parcels we are looking at.


I think GPS Essential is a good app.

Yes, with app RTKGPS+ and UBLOX LEA 4T Bluetooth by ntrip link gsm. 2cm accuracy compare with Trimble 4800 at 20km from base. 

Where can I purchase the UBLOX set up? I did a quick google and could only find the chip alone.

I also found their new chip which has multi-constellation, 

184-channel u-blox F9 engine GPS L1C/A L2C, GLO L1OF L2OF, GAL E1B/C E5b, BDS B1I B2I, QZSS L1C/A L2C.

I would love to set the up to make my own GNSS rovers, base, and even use on a drone.

I buy Socket BT and use u-center software to read raw data in rtkgps. now, you can buy one this site

price? US$ 100, and I did a discreet survey due to small size of socket GPS BT

Hi Adriano,

Would you mind adding me as an associate, so that I can send you a message with my email to find out more?

Kind regards,

James Wallace


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