Survey Identifier: OMI
Format Acronym: MGD77
Data Center File Number: J5010001
Parameters Surveyed Code: 55000
File Creation Date (yyyymmdd): 19840222
Source Institution: KOBE UNIVERSITY
Country: JAPAN
Platform Name: DAIEI-MARU
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ISEZAKI N.
Funding: KOBE UNIVERSITY
Survey Departure Date (yyyymmdd): 19700910
Port of Departure: HAKODATE,JAPAN
Survey Arrival Date (yyyymmdd): 19700923
Port of Arrival: AKITA,JAPAN
Navigation Instrumentation: LORAN-A,EVERY 15MINUTES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/OSS-1900,(O.S.I) TOWING TRANSDUCER
Additional Forms of Bathymetric Data: ANAL.RECORDS.UNCORRECTED
Magnetics Instrumentation: PMM-711G,KOKUSAI ELECTRONICS CO.,LTD.
Additional Forms of Magnetics Data: ANAL.RECORDS.LIST
Topmost Latitude of Survey: +43
Bottommost Latitude: +37
Leftmost Longitude: +133
Rightmost Longitude: +140
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 15000
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
Reference Field: GSFC(12/66)
Additional Documentation: OLD NGDC:56110001
Number of Data Records: 3010
Min/Max Data Record:
Date: 1970 09 10
Latitude: +37.53167
Longitude: +104.61667
Bathymetry, Corrected Depth: 0.1
Magnetics Total Field, 1st Sensor: 455700
Magnetics Residual Field: -56130
Min/Max Data Record:
Date: 1970 09 23
Latitude: +42.76333
Longitude: +140.00000
Bathymetry, Corrected Depth: 3589.0
Magnetics Total Field, 1st Sensor: 599550
Magnetics Residual Field: +97570