Survey Identifier: HS850309
Format Acronym: MGD77
Data Center File Number: J1020031
Parameters Surveyed Code: 51511
File Creation Date (yyyymmdd): 19910920
Source Institution: HYDROGRAPHIC DEPARTMENT
Country: JAPAN
Platform Name: SHOYO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): H.NAKAGAWA
Project: IZU ISLANDS MARINE GRAVITY SURVEY
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 19850309
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 19850322
Port of Arrival: TOKYO
Topmost Latitude of Survey: +36
Bottommost Latitude: +34
Leftmost Longitude: +138
Rightmost Longitude: +140
General Digitizing Rate of Bathymetry: 067
General Digitizing Rate of Gravity: 013
Additional Documentation: OLD NGDC:56080031
Number of Data Records: 10113
Min/Max Data Record:
Date: 1985 03 09
Latitude: +34.12539
Longitude: +138.33190
Bathymetry, Corrected Depth: 26.0
Observed Gravity: 9795721
Free-Air Anomaly: -0909
Min/Max Data Record:
Date: 1985 03 21
Latitude: +35.26891
Longitude: +139.89969
Bathymetry, Corrected Depth: 3620.0
Observed Gravity: 9798420
Free-Air Anomaly: +1368