About Geo++ RINEX Logger
Geo++ RINEX Logger uses the most recent Android API services to log your device's raw GNSS measurement data into a RINEX file including pseudoranges, carrier phases, doppler frequencies and noise values. So far, it supports GPS, GLONASS, Galileo, BDS and has been successfully tested on these devices:
HTC Nexus 9
Huawei Mate P10
Samsung Galaxy S8 (European version)
Carrier phase ambiguities have been successfully solved for GPS and GLONASS on each of these devices as long as there was no duty cycling performed by the GNSS chip (The cycle slip indicator flags next to the carrier phase values in the RINEX file will be set to 1 when duty cycling is on). At this time, the only device we know which is capable of disabling the duty cycling is the HTC Nexus 9 running with Android 7.1.
For more information on supported devices, please refer to the official Android site for raw GNSS measurements:
The Geo++ RINEX Logger generates file names according to the current hour and date of year and will append data if the file already exists. If you wish to log separate files within the same hour, please move or rename the last file first before you start the next logging process. The files are stored in the "Geopp_RINEX_Logger" directory inside the root directory of your internal storage.
As the app is still being developed, we highly appreciate all kinds of feedback like suggestions for improvements in functionality and usability or bug reports. Enjoy!
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