Survey Identifier: HS860408
Format Acronym: MGD77
Data Center File Number: J1020034
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): T.KONDO
Project: TORISHIMA SUBMARINE GEOLOGICAL STRUCTURE SURVEY
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 198604
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 198605
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: +139
Rightmost Longitude: +142
General Digitizing Rate of Bathymetry: 057
General Digitizing Rate of Gravity: 011
Additional Documentation: OLD NGDC:56080034
Number of Data Records: 23289
Min/Max Data Record:
Date: 1986 04 08
Latitude: +29.63188
Longitude: +139.97842
Bathymetry, Corrected Depth: 115.0
Observed Gravity: 9792115
Free-Air Anomaly: -0857
Min/Max Data Record:
Date: 1986 05 08
Latitude: +30.66729
Longitude: +141.76938
Bathymetry, Corrected Depth: 4561.0
Observed Gravity: 9806180
Free-Air Anomaly: +9582