Survey Identifier: HS870613


Format Acronym: MGD77
Data Center File Number: J1020037
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): MINORU TSUNEMASA
Project: HATIZYO ISLAND SUBMARINE GEOLOGICAL STRUCTURE SURVEY
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 198706
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 198707
Port of Arrival: TOKYO
Navigation Instrumentation: LORAN-C,NNSS
Geodetic Datum/Position: LORAN-C,NNSS
Topmost Latitude of Survey: +34
Bottommost Latitude: +32
Leftmost Longitude: +140
Rightmost Longitude: +142
General Digitizing Rate of Bathymetry: 020
General Digitizing Rate of Gravity: 020
Additional Documentation: OLD NGDC:56080037
Number of Data Records: 13887

Min/Max Data Record:
Date: 1987 06 12
Latitude: +32.16216
Longitude: +140.35785
Bathymetry, Corrected Depth: 502.0
Observed Gravity: 9792908
Free-Air Anomaly: -2489

Min/Max Data Record:
Date: 1987 07 12
Latitude: +33.65054
Longitude: +141.81166
Bathymetry, Corrected Depth: 7916.0
Observed Gravity: 9797828
Free-Air Anomaly: +1699