This app is designed to work with any kind of GNSS receiver which output NMEA messages. Just connect it to your Android device via Bluetooth then you can get all basic GPS parameters, such as Latitude, Longitude, Altitude, Ground Speed, Heading,... Those parameters then can be saved to csv file on your device memory.
For people who are using Receivers from SkyTraq, this app lets you config some basic funtions of your receiver, such as RTK mode (Rover, Base), Update Rate, Message Output Type, Factory Reset, others functions can be added upon your request
With receiver models which support RTK functions, this app provides NtripClient and NtripSource for your needs. You will get centimeter level of accuracy. I also provide Hardware, Caster and other tools for testing if you needs, email me at thucnv53@gmail.com for help