Survey Identifier: HS7202
Format Acronym: MGD77
Data Center File Number: J1020005
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19810911
Source Institution: HYDROGRAPHIC DEPT.
Country: JAPAN
Platform Name: SHOYO
Platform Type Code: 1
Platform Type: SHIP
Survey Departure Date (yyyymmdd): 19720925
Survey Arrival Date (yyyymmdd): 19720930
Magnetics Instrumentation: PROTON MAG
Topmost Latitude of Survey: +46
Bottommost Latitude: +44
Leftmost Longitude: +143
Rightmost Longitude: +146
General Digitizing Rate of Bathymetry: 146
General Digitizing Rate of Gravity: 146
Additional Documentation: magnetics records follow bathy,grav; no times for mag OLD NGDC:56080005
Number of Data Records: 8380
Min/Max Data Record:
Date: 1972 09 28
Latitude: +40.50268
Longitude: +139.16472
Bathymetry, Corrected Depth: 24.0
Magnetics Total Field, 1st Sensor: 473100
Magnetics Residual Field: -05440
Observed Gravity: 9801442
Free-Air Anomaly: -1715
Min/Max Data Record:
Date: 1972 11 20
Latitude: +45.22396
Longitude: +145.91641
Bathymetry, Corrected Depth: 6550.0
Magnetics Total Field, 1st Sensor: 500500
Magnetics Residual Field: +08498
Observed Gravity: 9807152
Free-Air Anomaly: +1919