Message types and subtypes of SPARTN v1.8.0 (SAPCORDA, 2020)
| SubTypes | ||||
|---|---|---|---|---|
| Part | Content | Type | GPS | GLONASS |
| Mask | Mask | 0 | 0 | 1 |
| Satellite Correction | Orbit | |||
| Clock | ||||
| Code Bias | ||||
| Phase Bias | ||||
| URA | ||||
| High-Precision Atmospheric Correction | Functional | 1 | 0 | 1 |
| Gridded | ||||
| Geographic Area Definition | Grid Coordinate | 2 | 0 | |
| Basic-Precision Atmospheric Correction | Functional | 3 | 0 | |
| Encryption and Authentication | Dynamic Key | 4 | 0 | |
| Group Authentication | 1 | |||