Survey Identifier: HS900109
Format Acronym: MGD77
Data Center File Number: J1020038
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.YANAGI
Project: SAGAMI TROUGH SUBMARINE ACTIVE STRUCTURE SURVEY
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 199001
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 199001
Port of Arrival: TOKYO
Navigation Instrumentation: LORAN-C,NNSS
Geodetic Datum/Position: LORAN-C,NNSS
Additional Forms of Bathymetric Data: ANALOG RECORDS
Additional Forms of Magnetics Data: ANALOG RECORDS
Topmost Latitude of Survey: +35
Bottommost Latitude: +33
Leftmost Longitude: +137
Rightmost Longitude: +139
General Digitizing Rate of Bathymetry: 012
General Digitizing Rate of Gravity: 012
Additional Documentation: OLD NGDC:56080038
Number of Data Records: 6867
Min/Max Data Record:
Date: 1990 01 08
Latitude: +33.91065
Longitude: +137.67197
Bathymetry, Corrected Depth: 1.0
Observed Gravity: 9796060
Free-Air Anomaly: -0341
Min/Max Data Record:
Date: 1990 01 19
Latitude: +34.48263
Longitude: +138.16523
Bathymetry, Corrected Depth: 8766.0
Observed Gravity: 9797434
Free-Air Anomaly: +0783