Survey Identifier: GEO300E


Format Acronym: MGD77
Data Center File Number: 84020003
Parameters Surveyed Code: 55115
File Creation Date (yyyymmdd): 19
Source Institution: GEOMER DATA BASE ORSTOM NOUMEA
Country: KERMADEC-TONGA
Platform Name: NOROIT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DUBOIS
Survey Departure Date (yyyymmdd): 19751129
Port of Departure: AUCKLAND
Survey Arrival Date (yyyymmdd): 19751213
Port of Arrival: NUKUALUFA
Navigation Instrumentation: SAT TRANSIT
Geodetic Datum/Position: SATELLITES
Bathymetry Instrumentation: EDO 12KH
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN
Additional Forms of Magnetics Data: ANALOG RECORDS
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: IFP BOLT RIX EPC
Topmost Latitude of Survey: -22
Bottommost Latitude: -36
Leftmost Longitude: +178
Rightmost Longitude: -170
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1/SECONDE
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVALS AND PEAK AND TROUGHS
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 01
Magnetic Sensor Tow Distance: 0080
Sensor Depth: 00100
Reference Field Code: 04
Reference Field: IGFR80
General Sampling Rate of Gravity: 00
Reference System: NEANT
Corrections Applied: NOT SPECIF. DRIFT PORT TO PORT APPLIED
Additional Documentation: nodules, 59 9999999999999999999999999999999999999999999999999999999999999999999999999
Number of Data Records: 3983

Min/Max Data Record:
Date: 1975 11 29
Latitude: -35.49167
Longitude: -179.98431
Bathymetry, Corrected Depth: 30.0
Magnetics Total Field, 1st Sensor: 446340
Magnetics Residual Field: -06390

Min/Max Data Record:
Date: 1975 12 14
Latitude: -22.15833
Longitude: +179.99724
Bathymetry, Corrected Depth: 10230.0
Magnetics Total Field, 1st Sensor: 539750
Magnetics Residual Field: +10600