Satellite
This is a ROS message definition.
Source
# Satellite data structure used in GPGSV messages
# PRN number of the satellite
# GPS = 1..32
# SBAS = 33..64
# GLO = 65..96
uint8 prn
# Elevation, degrees. Maximum 90
uint8 elevation
# Azimuth, True North degrees. [0, 359]
uint16 azimuth
# Signal to noise ratio, 0-99 dB. -1 when null in NMEA sentence (not tracking)
int8 snr