Survey Identifier: JARE28L1


Format Acronym: MGD77
Data Center File Number: JA010006
Parameters Surveyed Code: 50500
File Creation Date (yyyymmdd): 19941107
Source Institution: NATIONAL INSTITUTE OF POLAR RESEARCH
Country: JAPAN
Platform Name: SHIRASE
Platform Type Code: 1
Platform Type: SHIP
Project: JAPANESE ANTARCTIC RESEARCH EXPEDITION, JARE
Survey Departure Date (yyyymmdd): 19861114
Survey Arrival Date (yyyymmdd): 19861126
Navigation Instrumentation: NNSS SATELLITE
Geodetic Datum/Position: WGS-72
Bathymetry Instrumentation: NEC CO. LTD. PDR
Gravity Instrumentation: NIPRORI-I
Topmost Latitude of Survey: +36
Bottommost Latitude: -32
Leftmost Longitude: +112
Rightmost Longitude: +140
General Digitizing Rate of Bathymetry: 024
Assumed Sound Velocity: 15000
General Digitizing Rate of Gravity: 020
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: 1967
Reference System Code: 3
Reference System: IGSN-71
Departure Base Station Gravity: 9825238
Departure Base Station Description: SYOWA LAT=69 0.3'S, LON=39 35.3'E
Number of Data Records: 8950

Min/Max Data Record:
Date: 1986 11 14
Latitude: -31.43477
Longitude: +112.01911
Bathymetry, 2- Way Traveltime: 000333
Bathymetry, Corrected Depth: 25.0
Observed Gravity: 9778088
Free-Air Anomaly: -2836

Min/Max Data Record:
Date: 1986 11 26
Latitude: +35.62540
Longitude: +139.83325
Bathymetry, 2- Way Traveltime: 090667
Bathymetry, Corrected Depth: 6893.0
Observed Gravity: 9797970
Free-Air Anomaly: +1434