Survey Identifier: HM7807


Format Acronym: MGD77
Data Center File Number: J1030018
Parameters Surveyed Code: 05000
File Creation Date (yyyymmdd): 19810911
Source Institution: HYDROGRAPHIC DEPT.
Country: JAPAN
Platform Name: MEIYO
Platform Type Code: 1
Platform Type: SHIP
Survey Departure Date (yyyymmdd): 197812
Survey Arrival Date (yyyymmdd): 197812
Topmost Latitude of Survey: +39
Bottommost Latitude: +38
Leftmost Longitude: +141
Rightmost Longitude: +143
General Digitizing Rate of Magnetics: 419
Additional Documentation: OLD NGDC:56070018
Number of Data Records: 1446

Min/Max Data Record:
Latitude: +38.02902
Longitude: +141.60579
Magnetics Total Field, 1st Sensor: 463800
Magnetics Residual Field: -02927

Min/Max Data Record:
Latitude: +38.92590
Longitude: +142.67103
Magnetics Total Field, 1st Sensor: 480000
Magnetics Residual Field: +12404