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Ephemeris
Ephemeris is a set of data that depicts the precise trajectory of QZSS and GPS.
It is used to calculate the fine position of the satellite from which the ephemeris was broad casted. The data format is RINEX 3.02.
Consult the "RINEX 3.02" specification for more information.
Data Access
「Latency」 approximately 1 day
「Updates」 at 00:30 (GPST)
- 「Sample Interval」QZSS:1 hour
- GPS:2 hours
「File Name」 as described in the table below
| File Name (Ephemeris) | |
|---|---|
| BRDC00JPN_R_YYYYDDDHHMM_01D_JN.rnx BRDC00JPN_R_YYYYDDDHHMM_01D_GN.rnx |
|
| Code | Meaning |
| YYYY | year |
| DDD | day of the year of first record |
| HH | 2-digit hour(typically 00) |
| MM | 2-digit minute(typically 00) |
| JN/GN | JN=QZSS, GN=GPS |