diff options
Diffstat (limited to 'gps.h')
| -rw-r--r-- | gps.h | 20 |
1 files changed, 13 insertions, 7 deletions
@@ -98,14 +98,20 @@ struct gps_fix_t { /* * Satellite ID classes. - * U.S. GPS authorities reserve PRNs 1-64 for GPS satellites. - * GLONASS birds reuse GPS PRNs; it is a GPSD convention to map them to - * IDs 64 and above (some other programs push them to 33 and above). - * All SBAS/WAAS/EGNOS birds have PRNs above 100. + * IS-GPS-200 Revision E, paragraph 6.3.6 */ -#define GNSS_PRN(n) (((n) >= 1) && ((n) <= 63)) /* GNSS satellite */ -#define GLONASS_PRN(n) (((n) >= 64) && ((n) <= 96)) /* GLONASS satellite */ -#define DGPS_PRN(n) ((n) >= 100) +#define GPS_PRN(n) (((n) >= 1) && ((n) <= 63)) /* U.S. GPS satellite */ +#define GBAS_PRN(n) ((n) >= 64 && ((n) <= 119)) /* Ground Based Augmentation System and other augmentation systems */ +#define SBAS_PRN(n) ((n) >= 120 && ((n) <= 158)) /* Satellite Based Augmentation System */ +#define GNSS_PRN(n) ((n) >= 159 && ((n) <= 210)) /* other Global Navigation Satellite System */ + +/* + * GLONASS birds reuse GPS PRNs. + * it is a GPSD convention to map them to IDs 65..96. + * (some other programs push them to 33 and above). + */ +#define GLONASS_PRN_MAP 64 +#define GLONASS_PRN(n) (((n) >= 1 + GLONASS_PRN_MAP) && ((n) <= 32 + GLONASS_PRN_MAP) /* GLONASS satellite */ /* * The structure describing the pseudorange errors (GPGST) |