Survey Identifier: HT890413
Format Acronym: MGD77
Data Center File Number: J1010031
Parameters Surveyed Code: 55000
File Creation Date (yyyymmdd): 19920127
Source Institution: HYDROGRAPHIC DEPARTMENT
Country: JAPAN
Platform Name: TAKUYO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MASAO TAKANASI
Project: 18TH(FIRST)CONTINENTAL SHELF SURVEY
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 19890413
Port of Departure: TOKYO,JAPAN
Survey Arrival Date (yyyymmdd): 19890425
Port of Arrival: TOKYO,JAPAN
Navigation Instrumentation: INTEGRATED NAVIGATION SYSTEM
Bathymetry Instrumentation: SEA-BEAM
Magnetics Instrumentation: PROTON MAGUNETMETER
Gravity Instrumentation: BODENSEEWERK KSS/30
Topmost Latitude of Survey: +34
Bottommost Latitude: +30
Leftmost Longitude: +137
Rightmost Longitude: +140
General Digitizing Rate of Bathymetry: 106
General Digitizing Rate of Magnetics: 102
Additional Documentation: OLD NGDC:56060031
Number of Data Records: 1660
Min/Max Data Record:
Date: 1989 04 13
Latitude: +30.08647
Longitude: +137.45409
Bathymetry, Corrected Depth: 572.0
Magnetics Residual Field: -03180
Min/Max Data Record:
Date: 1989 04 25
Latitude: +33.03568
Longitude: +139.99643
Bathymetry, Corrected Depth: 4610.0
Magnetics Residual Field: +03740