Survey Identifier: HM6801
Format Acronym: MGD77
Data Center File Number: J1030012
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): 196804
Survey Arrival Date (yyyymmdd): 196804
Topmost Latitude of Survey: +36
Bottommost Latitude: +34
Leftmost Longitude: +139
Rightmost Longitude: +141
General Digitizing Rate of Magnetics: 292
Additional Documentation: OLD NGDC:56070012
Number of Data Records: 2365
Min/Max Data Record:
Latitude: +34.55680
Longitude: +139.05015
Magnetics Total Field, 1st Sensor: 442200
Magnetics Residual Field: -13169
Min/Max Data Record:
Latitude: +35.27603
Longitude: +140.17251
Magnetics Total Field, 1st Sensor: 468500
Magnetics Residual Field: +13203