Survey Identifier: HS880410


Format Acronym: MGD77
Data Center File Number: J1020035
Parameters Surveyed Code: 51531
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: SANRIKU OKI MARINE GRAVITY SURVEY
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 198804
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 198804
Port of Arrival: TOKYO
Navigation Instrumentation: LORAN-C,NNSS
Geodetic Datum/Position: LORAN-C,NNSS
Topmost Latitude of Survey: +41
Bottommost Latitude: +39
Leftmost Longitude: +142
Rightmost Longitude: +144
General Digitizing Rate of Bathymetry: 014
General Digitizing Rate of Gravity: 014
Additional Documentation: OLD NGDC:56080035
Number of Data Records: 2877

Min/Max Data Record:
Date: 1988 04 10
Latitude: +39.14936
Longitude: +142.03006
Bathymetry, Corrected Depth: 101.0
Observed Gravity: 9800380
Free-Air Anomaly: -0592

Min/Max Data Record:
Date: 1988 04 13
Latitude: +40.17545
Longitude: +143.50781
Bathymetry, Corrected Depth: 3046.0
Observed Gravity: 9803450
Free-Air Anomaly: +1649