Survey Identifier: HS850517
Format Acronym: MGD77
Data Center File Number: J1020033
Parameters Surveyed Code: 53533
File Creation Date (yyyymmdd): 19910920
Source Institution: HYDROGRAPHIC DEPARTMENT
Country: JAPAN
Platform Name: SHOYO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SHIGERU KATO
Project: TORISHIMA SUBMARINE GEOLOGICAL STRUCTURE SURVEY
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 198505
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 198506
Port of Arrival: TOKYO
Navigation Instrumentation: LORAN-C,NNSS
Geodetic Datum/Position: LORAN-C,NNSS
Topmost Latitude of Survey: +31
Bottommost Latitude: +29
Leftmost Longitude: +138
Rightmost Longitude: +141
General Digitizing Rate of Bathymetry: 059
General Digitizing Rate of Gravity: 012
Additional Documentation: OLD NGDC:56080033
Number of Data Records: 24456
Min/Max Data Record:
Date: 1985 05 17
Latitude: +29.62005
Longitude: +138.23072
Bathymetry, Corrected Depth: 1.0
Observed Gravity: 9792873
Free-Air Anomaly: -0151
Min/Max Data Record:
Date: 1985 06 20
Latitude: +30.67934
Longitude: +140.02737
Bathymetry, Corrected Depth: 4040.0
Observed Gravity: 9794912
Free-Air Anomaly: +1379