Links to Related Data Centers

| GPS | LLR | SLR | VLBI |  EOP | AAM | Altimetry | Earthquake｜

| Gravity | Geomagnetic Fields | ICRF | ITRF | Sea Level | Home |

 GPS

International GPS Service  (IGS)
Crustal Dynamics Data Information System  (CDDIS)
Scripss Orbit and Permanent Array Center  (SOPAC)
International GPS Geodynamics Services 

 LLR

Crustal Dynamics Data Information System  (CDDIS)

 SLR

Crustal Dynamics Data Information System  (CDDIS)
International Laser Ranging Service (ILRS)

 VLBI

Crustal Dynamics Data Information System  (CDDIS)
VLBI Group of NASA's Space Geodesy Program

International VLBI Service for Geodesy and Astrometry (IVS)

 Altimetry

Physical Oceanography Distributed Active Archive Center

 Sea Level

Center for Coastal & Marine Sciences
Permanent Service for Mean Sea Level Service (PSMSL)

 AAM

Atmosphare and Enviromental Research Inc.

 Gravity

National Geophysical Data Center (NGDC)
Bureau Gravimetrique International (BGI)

 Geomagnetic Fields

National Geophysical Data Center (NGDC)

 Geoid

International Geoid Service (IGeS)

　

 Earth Tides

International Center for Earth Tides (ICET)

 Earthquake

National Geophysical Data Center (NGDC)
National Earthquake Information Center, World Data Center A for Seismology
International Seismological Centre
Australian Geological Survey Organization
the University of Tokyo

 EOP

International Earth Rotation Services (IERS), Central Bureau (IERS/CB)
IERS Sub-Bureau for Rapid Services and predictions
VLBI Group of NASA's Space Geodesy Program

 ICRF

International Earth Rotation Services (IERS)
IERS Sub-Bureau for Rapid Services and predictions 
VLBI Group of NASA's Space Geodesy Program

 ITRF

Laboratoire de Recherche en Géodésie (LAREG) at IGN, France

VLBI Group of NASA's Space Geodesy Program

| GPS | LLR | SLR | VLBI |  EOP | AAM | Altimetry | Earthquake |

| Gravity | Geomagnetic Fields | ICRF | ITRF | Sea Level | Home |

　APSG CB E-mail: apsg@center.shao.ac.cn