# SensorGnssStatus (UORB message) Gnss quality indicators [source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/SensorGnssStatus.msg) ```c # Gnss quality indicators uint64 timestamp # time since system start (microseconds) uint32 device_id # unique device ID for the sensor that does not change between power cycles bool quality_available # Set to true if quality indicators are available uint8 quality_corrections # Corrections quality from 0 to 10, or 255 if not available uint8 quality_receiver # Overall receiver operating status from 0 to 10, or 255 if not available uint8 quality_gnss_signals # Quality of GNSS signals from 0 to 10, or 255 if not available uint8 quality_post_processing # Expected post processing quality from 0 to 10, or 255 if not available ```