The IGS collects, archives, and distributes GPS observation data sets of sufficient accuracy to meet the objectives of a wide range of scientific and engineering applications and studies.
Learn more about IGS Archive Locations here: http://kb.igs.org/hc/en-us/articles/202054393-IGS-FTP-Sites
IGS Data Table | ||||
---|---|---|---|---|
Ground observations | ||||
Latency | Updates | Sample Interval | Archive locations | |
GPS & GLONASS | ~1 day | daily | 30 sec |
CDDIS(US-MD) |
~1 hour | hourly | 30 sec | CDDIS(US-MD) SOPAC(US-CA) IGN(FR) KASI(S. KOREA) |
|
~15 min | 15 min | 1 sec(*) | CDDIS(US-MD) IGN(FR) |
|
(*) Note: Selected subhourly stations have sampling intervals 1 sec < t < 10 sec) | ||||
GPS Broadcast ephemerides | ~1 day | daily | CDDIS(US-MD) SOPAC(US-CA) IGN(FR) |
|
~1 hour | hourly | CDDIS(US-MD) SOPAC(US-CA) IGN(FR) |
||
~15 min | 15 min | CDDIS(US-MD) IGN(FR) |
||
GLONASS Broadcast ephemerides | ~1 day | daily | daily | CDDIS(US-MD) IGN(FR) |
Meterological | ~1 day | daily | 5 min | CDDIS(US-MD) SOPAC(US-CA) IGN(FR) KASI(S. KOREA) |
~1 hour | hourly | 5 min | CDDIS(US-MD) IGN(FR) |
|
Low-earth orbiter observations | ||||
GPS | ~4 days | daily | 10 sec | CDDIS(US-MD) |
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