Survey Identifier: CP7602


Format Acronym: MGD77
Data Center File Number: 05010002
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19840416
Source Institution: GEOPHYSICS DIVISION, DSIR, NEW ZEALAND
Country: NEW ZEALAND
Platform Name: GRV TANGAROA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): F. J. DAVEY
Project: CAMPBELL PLATEAU 1
Funding: NZ GOVERNMENT
Survey Departure Date (yyyymmdd): 19761116
Port of Departure: WELLINGTON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19761130
Port of Arrival: WELLINGON, NEW ZEALAND
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE AND DEAD RECKONING
Bathymetry Instrumentation: 12 KHZ FREQUENCY
Magnetics Instrumentation: PROTON PRECESSIONCY, ELSEC
Seismic Instrumentation: SINGLE CHANNEL
Formats of Seismic Data: MICROFILM AND ANALOG
Topmost Latitude of Survey: -42
Bottommost Latitude: -56
Leftmost Longitude: +164
Rightmost Longitude: -178
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: 009
General Sampling Rate of Magnetics: 54
Reference Field Code: 88
Reference Field: PGRF-75
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAVIGATION POINTS
Additional Documentation: DATA RECORDED IN GREENWICH MEAN TIME, BATHYMMETRY CORRECTED FOR DRAUGHT AND WATER DENSITY
Number of Data Records: 16596

Min/Max Data Record:
Date: 1976 11 16
Latitude: -55.65000
Longitude: -179.99890
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 579950
Magnetics Residual Field: -19260

Min/Max Data Record:
Date: 1976 11 29
Latitude: -42.79200
Longitude: +180.00000
Bathymetry, Corrected Depth: 3432.0
Magnetics Total Field, 1st Sensor: 651790
Magnetics Residual Field: +08300