Survey Identifier: HM6703
Format Acronym: MGD77
Data Center File Number: J1030011
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): 196710
Survey Arrival Date (yyyymmdd): 196710
Topmost Latitude of Survey: +41
Bottommost Latitude: +38
Leftmost Longitude: +137
Rightmost Longitude: +141
General Digitizing Rate of Magnetics: 521
Additional Documentation: OLD NGDC:56070011
Number of Data Records: 3566
Min/Max Data Record:
Latitude: +38.89642
Longitude: +137.48310
Magnetics Total Field, 1st Sensor: 471900
Magnetics Residual Field: -13279
Min/Max Data Record:
Latitude: +40.59238
Longitude: +140.01297
Magnetics Total Field, 1st Sensor: 490600
Magnetics Residual Field: +03348