OKINAWA (CRL) SITE INFORMATION

SITE INFORMATION

Site Number: 874
Current Site Name: OKINAWA (CRL)
Other Site Name: OKINAWA
Location: NAKAGUSUKU, OKINAWA, JAPAN
Geographic Region: PACIFIC
Tectonic Plate: EURASIAN

Primary Scientific Purposes: ESTABLISHMENT OF FIDUCIAL POINT USED FOR VARIOUS PURPOSES SUCH AS GPS ORBIT DETERMINATION.

Site Description: A FOUNDATION FOR THE 3M ANTENNA WAS BUILT AT THIS SITE IN 1989. THE SITE IS LOCATED AT THE OKINAWA RADIOWAVE OBSERVATORY, A BRANCH OF THE COMMUNICATIONS RESEARCH LABORATORY (CRL). CRL MOVES THE 3M ANTENNA TO THE SITE TO CARRY OUT VLBI EXPERIMENTS AS THE NEED ARISES. THE ANTENNA IS EQUIPPED WITH AN X-BAND RECEIVER. IONOSPHERIC EXCESS DELAYS ARE CALIBRATED BY USING TOTAL ELECTRON CONTENT DATA ACQUIRED BY DUAL BAND GPS RECEIVER.

Site Topo Map: SOUTHERN PART OF OKINAWA CITY, 1:25,000 SERIES. AVAILABLE THROUGH THE GSI, TSUKUBA, IBARAKI, JAPAN.

GEOLOGICAL INFORMATION

Geological Province: ANTICLINE AREA OF RYUKYU ARC.

Local Geology: CORAL LIMESTONE

Comments: NONE

MONUMENT INFORMATION

Site Number: 874
Current Site Name: OKINAWA (CRL)
Location: NAKAGUSUKU, OKINAWA, JAPAN
Number of Observing Monuments: 1
Surveyed into National Network? NO

Monument Number: 7318
Type of Monument: GROUND MARKER ON THE ANTENNA FOUNDATION
Monument Inscription: NONE
Systems Using Monument: MOBILE 3-METER ANTENNA

Latitude: N 26 17'
Longitude: E 127 48'
Elevation: 148.000 meters
Height Above Ellipsoid: meters
Survey Source/Date: /
Datum/Ellipsoid: TOKYO

Comments: NONE

Differential Coordinates FROM Observing Monument 7318 TO Reference Monuments and Other Observing Monuments

Data Source:

Differential Coordinates

 Mon.
Number         Monument Inscription              X           Y           Z

X, Y, Z Differential Coordinate Information Not Available

 Mon.
Number         Monument Inscription            North        East         Up

North, East, Up Differential Coordinate Information Not Available

OKINAWA SITE SKETCH

PREVIOUS OCCUPATION INFORMATION

Site Number: 874
Current Site Name: OKINAWA (CRL)
Location: NAKAGUSUKU, OKINAWA, JAPAN

SLR OCCUPATIONS

Monument    Occupying    Occupation    Starting      Ending
 Number       System     Designator      Date         Date

No Previous Occupations

VLBI OCCUPATIONS

Monument    Occupying    Occupation    Starting      Ending
 Number       System     Designator      Date         Date

No Previous Occupations