Survey Identifier: KH7801
Format Acronym: MGD77
Data Center File Number: J4010031
Parameters Surveyed Code: 50500
File Creation Date (yyyymmdd): 19871123
Source Institution: OCEAN RESEARCH INSTITUTE, UNIV OF TOKYO
Country: JAPAN
Platform Name: HAKUHO MARU
Platform Type Code: 1
Platform Type: SHIP
Survey Departure Date (yyyymmdd): 19780127
Survey Arrival Date (yyyymmdd): 19780304
Topmost Latitude of Survey: +36
Bottommost Latitude: +12
Leftmost Longitude: +128
Rightmost Longitude: +147
General Digitizing Rate of Bathymetry: 090
General Digitizing Rate of Gravity: 089
Additional Documentation: OLD NGDC:56030031
Number of Data Records: 5045
Min/Max Data Record:
Date: 1978 01 27
Latitude: +12.89330
Longitude: +128.88520
Bathymetry, Corrected Depth: 20.0
Free-Air Anomaly: -6710
Min/Max Data Record:
Date: 1978 03 04
Latitude: +35.64270
Longitude: +146.54020
Bathymetry, Corrected Depth: 9217.0
Free-Air Anomaly: +9820