Survey Identifier: HS7303
Format Acronym: MGD77
Data Center File Number: J1020006
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): 19730521
Survey Arrival Date (yyyymmdd): 19730625
Magnetics Instrumentation: PROTON MAG
Topmost Latitude of Survey: +32
Bottommost Latitude: +29
Leftmost Longitude: +130
Rightmost Longitude: +133
General Digitizing Rate of Bathymetry: 115
General Digitizing Rate of Gravity: 115
Additional Documentation: magnetics records follow bathy,grav. no times for mag OLD NGDC:56080006
Number of Data Records: 8646
Min/Max Data Record:
Date: 1973 05 21
Latitude: +29.68086
Longitude: +130.07090
Bathymetry, Corrected Depth: 32.0
Magnetics Total Field, 1st Sensor: 448500
Magnetics Residual Field: -06523
Observed Gravity: 9791919
Free-Air Anomaly: -1217
Min/Max Data Record:
Date: 1973 07 15
Latitude: +31.86816
Longitude: +132.04283
Bathymetry, Corrected Depth: 3330.0
Magnetics Total Field, 1st Sensor: 463200
Magnetics Residual Field: +04444
Observed Gravity: 9794949
Free-Air Anomaly: +0865