Survey Identifier: KH7701
Format Acronym: MGD77
Data Center File Number: J4010030
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): 19770426
Survey Arrival Date (yyyymmdd): 19770615
Topmost Latitude of Survey: +41
Bottommost Latitude: +24
Leftmost Longitude: +132
Rightmost Longitude: +146
General Digitizing Rate of Bathymetry: 106
General Digitizing Rate of Gravity: 107
Additional Documentation: OLD NGDC:56030030
Number of Data Records: 6374
Min/Max Data Record:
Date: 1977 04 26
Latitude: +24.57880
Longitude: +132.50500
Bathymetry, Corrected Depth: 32.0
Free-Air Anomaly: -5500
Min/Max Data Record:
Date: 1977 06 15
Latitude: +40.91330
Longitude: +145.29950
Bathymetry, Corrected Depth: 9419.0
Free-Air Anomaly: +1750