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
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c
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)