**[GnssLogger v3.1](https://play.google.com/store/apps/details?id=com.google.android.apps.location.gps.gnsslogger)**adds support for performing the following tasks:

- [Detect GNSS jamming and spoofing](https://developer.android.com/develop/sensors-and-location/sensors/gnss-spoof-jam)
- [Analyze raw measurements with GnssLogger](https://developer.android.com/develop/sensors-and-location/sensors/gnss-analyze-raw)

**GnssLogger for Wear OS v1.0**offers several of key features found in the phone app:

- Display real-time[`GnssStatus`](https://developer.android.com/reference/android/location/GnssStatus)information from the GNSS chipset.
- Log to standard CSV (.txt) and industry standard[RINEX](https://igs.org/wg/rinex/)file formats.
- [Access and share logs from GnssLogger for Wear OS](https://developer.android.com/develop/sensors-and-location/sensors/gnss-wear-share-logs)

Here's a breakdown of features that are supported in both GnssLogger phone v3.1 and Wear OS v1.0.
![Table of supported features](https://developer.android.com/static/images/sensors/gnss-about2.png)Compare phone and Wear OS features

For more details about the data logged to file, see the[GnssLogger Logging documentation](https://github.com/google/gps-measurement-tools/blob/master/LOGGING_FORMAT).

Provide feedback on new features using our[public issue tracker](https://issuetracker.google.com/issues/new?component=313183&template=0).