Survey Identifier: HT92T273
Format Acronym: MGD77
Data Center File Number: J1010061
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19960307
Source Institution: HYDROGRAPHIC DEPARTMENT
Country: JAPAN
Platform Name: TAKUYO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): HIRAO MASAYOSHI
Project: 27TH AREA(THIRD)CONTINENTAL SHELF SURVEY
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 19921026
Survey Arrival Date (yyyymmdd): 19921112
Port of Arrival: TOKYO,JAPAN
Navigation Instrumentation: GPS/NNSS/LORAN-C
Geodetic Datum/Position: INTEGRATED NAVIGATION SYSTEM
Bathymetry Instrumentation: SEA-BEAM BATHYMETRIC SYSTEM 12KHZ
Topmost Latitude of Survey: +31
Bottommost Latitude: +27
Leftmost Longitude: +147
Rightmost Longitude: +149
General Digitizing Rate of Bathymetry: 10
General Digitizing Rate of Magnetics: 100
General Digitizing Rate of Gravity: 100
Departure Base Station Gravity: 9797783
Departure Base Station Description: JHDGO(TOKYO PORT)
Arrival Base Station Gravity: 9797783
Arrival Base Station Description: JHDGO(TOKYO PORT)
Additional Documentation: Corection for sound velocity was applied to the seabeam data using tables for, the area No.53 in Echo-sounding Correction Tables NP 139 (Hydrographic Dept. UK,1980).
Number of Data Records: 276
Min/Max Data Record:
Date: 1992 10 28
Latitude: +27.03233
Longitude: +147.48100
Bathymetry, Corrected Depth: 1110.0
Magnetics Residual Field: +00000
Free-Air Anomaly: +0000
Min/Max Data Record:
Date: 1992 10 30
Latitude: +30.01350
Longitude: +148.99917
Bathymetry, Corrected Depth: 6320.0
Magnetics Residual Field: +00000
Free-Air Anomaly: +0000