PX4-Autopilot/docs/en/msg_docs/SatelliteInfo.md

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SatelliteInfo (UORB message)

TOPICS: satellite_info

Fields

Name	Type	Unit [Frame]	Range/Enum	Description
timestamp	uint64			time since system start (microseconds)
count	uint8			Number of satellites visible to the receiver
svid	uint8[40]			Space vehicle ID [1..255], see scheme below
used	uint8[40]			0: Satellite not used, 1: used for navigation
elevation	uint8[40]			Elevation (0: right on top of receiver, 90: on the horizon) of satellite
azimuth	uint8[40]			Direction of satellite, 0: 0 deg, 255: 360 deg.
snr	uint8[40]			dBHz, Signal to noise ratio of satellite C/N0, range 0..99, zero when not tracking this satellite.
prn	uint8[40]			Satellite PRN code assignment, (psuedorandom number SBAS, valid codes are 120-144)

Constants

Name	Type	Value	Description
SAT_INFO_MAX_SATELLITES	uint8	40

Source Message

Source file (GitHub)

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uint64 timestamp		# time since system start (microseconds)
uint8 SAT_INFO_MAX_SATELLITES = 40

uint8 count			# Number of satellites visible to the receiver
uint8[40] svid	 		# Space vehicle ID [1..255], see scheme below
uint8[40] used			# 0: Satellite not used, 1: used for navigation
uint8[40] elevation		# Elevation (0: right on top of receiver, 90: on the horizon) of satellite
uint8[40] azimuth		# Direction of satellite, 0: 0 deg, 255: 360 deg.
uint8[40] snr			# dBHz, Signal to noise ratio of satellite C/N0, range 0..99, zero when not tracking this satellite.
uint8[40] prn                   # Satellite PRN code assignment, (psuedorandom number SBAS, valid codes are 120-144)

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