SensorGps (UORB message)
GPS position in WGS84 coordinates. the field 'timestamp' is for the position & velocity (microseconds)
c
# GPS position in WGS84 coordinates.
# the field 'timestamp' is for the position & velocity (microseconds)
uint64 timestamp # time since system start (microseconds)
uint64 timestamp_sample
uint32 device_id # unique device ID for the sensor that does not change between power cycles
float64 latitude_deg # Latitude in degrees, allows centimeter level RTK precision
float64 longitude_deg # Longitude in degrees, allows centimeter level RTK precision
float64 altitude_msl_m # Altitude above MSL, meters
float64 altitude_ellipsoid_m # Altitude above Ellipsoid, meters
float32 s_variance_m_s # GPS speed accuracy estimate, (metres/sec)
float32 c_variance_rad # GPS course accuracy estimate, (radians)
uint8 FIX_TYPE_NONE = 1 # Value 0 is also valid to represent no fix.
uint8 FIX_TYPE_2D = 2
uint8 FIX_TYPE_3D = 3
uint8 FIX_TYPE_RTCM_CODE_DIFFERENTIAL = 4
uint8 FIX_TYPE_RTK_FLOAT = 5
uint8 FIX_TYPE_RTK_FIXED = 6
uint8 FIX_TYPE_EXTRAPOLATED = 8
uint8 fix_type # Some applications will not use the value of this field unless it is at least two, so always correctly fill in the fix.
float32 eph # GPS horizontal position accuracy (metres)
float32 epv # GPS vertical position accuracy (metres)
float32 hdop # Horizontal dilution of precision
float32 vdop # Vertical dilution of precision
int32 noise_per_ms # GPS noise per millisecond
uint16 automatic_gain_control # Automatic gain control monitor
uint8 JAMMING_STATE_UNKNOWN = 0 #default
uint8 JAMMING_STATE_OK = 1
uint8 JAMMING_STATE_MITIGATED = 2
uint8 JAMMING_STATE_DETECTED = 3
uint8 jamming_state # indicates whether jamming has been detected or suspected by the receivers. O: Unknown, 1: OK, 2: Mitigated, 3: Detected
int32 jamming_indicator # indicates jamming is occurring
uint8 SPOOFING_STATE_UNKNOWN = 0 #default
uint8 SPOOFING_STATE_OK = 1
uint8 SPOOFING_STATE_MITIGATED = 2
uint8 SPOOFING_STATE_DETECTED = 3
uint8 spoofing_state # indicates whether spoofing has been detected or suspected by the receivers. O: Unknown, 1: OK, 2: Mitigated, 3: Detected
# Combined authentication state (e.g. Galileo OSNMA)
uint8 AUTHENTICATION_STATE_UNKNOWN = 0 #default
uint8 AUTHENTICATION_STATE_INITIALIZING = 1
uint8 AUTHENTICATION_STATE_ERROR = 2
uint8 AUTHENTICATION_STATE_OK = 3
uint8 AUTHENTICATION_STATE_DISABLED = 4
uint8 authentication_state # GPS signal authentication state
float32 vel_m_s # GPS ground speed, (metres/sec)
float32 vel_n_m_s # GPS North velocity, (metres/sec)
float32 vel_e_m_s # GPS East velocity, (metres/sec)
float32 vel_d_m_s # GPS Down velocity, (metres/sec)
float32 cog_rad # Course over ground (NOT heading, but direction of movement), -PI..PI, (radians)
bool vel_ned_valid # True if NED velocity is valid
int32 timestamp_time_relative # timestamp + timestamp_time_relative = Time of the UTC timestamp since system start, (microseconds)
uint64 time_utc_usec # Timestamp (microseconds, UTC), this is the timestamp which comes from the gps module. It might be unavailable right after cold start, indicated by a value of 0
uint8 satellites_used # Number of satellites used
uint32 SYSTEM_ERROR_OK = 0 #default
uint32 SYSTEM_ERROR_INCOMING_CORRECTIONS = 1
uint32 SYSTEM_ERROR_CONFIGURATION = 2
uint32 SYSTEM_ERROR_SOFTWARE = 4
uint32 SYSTEM_ERROR_ANTENNA = 8
uint32 SYSTEM_ERROR_EVENT_CONGESTION = 16
uint32 SYSTEM_ERROR_CPU_OVERLOAD = 32
uint32 SYSTEM_ERROR_OUTPUT_CONGESTION = 64
uint32 system_error # General errors with the connected GPS receiver
float32 heading # heading angle of XYZ body frame rel to NED. Set to NaN if not available and updated (used for dual antenna GPS), (rad, [-PI, PI])
float32 heading_offset # heading offset of dual antenna array in body frame. Set to NaN if not applicable. (rad, [-PI, PI])
float32 heading_accuracy # heading accuracy (rad, [0, 2PI])
float32 rtcm_injection_rate # RTCM message injection rate Hz
uint8 selected_rtcm_instance # uorb instance that is being used for RTCM corrections
bool rtcm_crc_failed # RTCM message CRC failure detected
uint8 RTCM_MSG_USED_UNKNOWN = 0
uint8 RTCM_MSG_USED_NOT_USED = 1
uint8 RTCM_MSG_USED_USED = 2
uint8 rtcm_msg_used # Indicates if the RTCM message was used successfully by the receiver
# TOPICS sensor_gps vehicle_gps_position