Survey Identifier: CP7808
Format Acronym: MGD77
Data Center File Number: 05010006
Parameters Surveyed Code: 55513
File Creation Date (yyyymmdd): 19840416
Source Institution: GEOPHYSICS DIVSION, DSIR, NEW ZEALAND
Country: NEW ZEALAND
Platform Name: GRV TANGAROA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): F.J. DAVEY AND P. LUCKENS
Project: CAMPBELL PLATEAU 3
Funding: NZ GOVERNMENT
Survey Departure Date (yyyymmdd): 19781120
Port of Departure: WELLINGTON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19781211
Port of Arrival: WELLINGTON, NEW ZEALAND
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE AND DEAD RECKONING
Bathymetry Instrumentation: 12 KHZ FREQUENCY
Magnetics Instrumentation: PROTON PRECESSION, GEOMETRICS
Gravity Instrumentation: LACOSTE AND ROMBERG S-80
Seismic Instrumentation: SINGLE CHANNEL
Formats of Seismic Data: MICROFILM AND ANALOG
Topmost Latitude of Survey: -41
Bottommost Latitude: -59
Leftmost Longitude: +163
Rightmost Longitude: +180
General Digitizing Rate of Bathymetry: 150
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 15-MINUTE INTERVALS AND PEAKS AND TROUGHS
General Digitizing Rate of Magnetics: 150
General Sampling Rate of Magnetics: 54
Reference Field Code: 88
Reference Field: PGRF-75
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAVIGATION POINTS
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT. 1930
Reference System: NZ POTSDAM 1959
Corrections Applied: CROSS COUPLING ONLY
Departure Base Station Gravity: 9802924
Departure Base Station Description: WELLINGTON, NEW ZEALAND
Additional Documentation: DATA RECORDED IN NEW ZEALAND DAYLIGHT TIME, BATHYMETRY CORRECTED FOR DRAUGHT AND WATER DENSITY
Number of Data Records: 23376
Min/Max Data Record:
Date: 1978 11 20
Latitude: -58.02190
Longitude: +163.52690
Bathymetry, Corrected Depth: 45.0
Magnetics Total Field, 1st Sensor: 567060
Magnetics Residual Field: -08630
Free-Air Anomaly: -0939
Min/Max Data Record:
Date: 1978 12 11
Latitude: -41.45500
Longitude: +179.65600
Bathymetry, Corrected Depth: 5500.0
Magnetics Total Field, 1st Sensor: 654480
Magnetics Residual Field: +09590
Free-Air Anomaly: +0995