Survey Identifier: CP7702
Format Acronym: MGD77
Data Center File Number: 05010004
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19840507
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 2
Funding: NZ GOVERNMENT
Survey Departure Date (yyyymmdd): 19770923
Port of Departure: WELLINGTON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19771007
Port of Arrival: WELLINGTON, NEW ZEALAND
Navigation Instrumentation: SATELLITE AND SEXTANT
Geodetic Datum/Position: SATELLITE, SEXTANT AND DEAD RECKONING
Bathymetry Instrumentation: 12 KHZ FREQUENCY
Magnetics Instrumentation: PROTON PRECESSION, ELSEC
Seismic Instrumentation: SINGLE CHANNEL
Formats of Seismic Data: MICROFILM AND ANALOG
Topmost Latitude of Survey: -42
Bottommost Latitude: -55
Leftmost Longitude: +164
Rightmost Longitude: +176
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: 010
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 RECORD IN NEW ZEALAND STANDARD TIME, BATHYMETRY CORRECTED FOR DRAUGHT AND WATER DENSTIY
Number of Data Records: 8172
Min/Max Data Record:
Date: 1977 09 23
Latitude: -54.04990
Longitude: +164.80000
Bathymetry, Corrected Depth: 89.0
Magnetics Total Field, 1st Sensor: 576790
Magnetics Residual Field: -02460
Min/Max Data Record:
Date: 1977 10 07
Latitude: -42.04000
Longitude: +175.25990
Bathymetry, Corrected Depth: 4307.0
Magnetics Total Field, 1st Sensor: 643280
Magnetics Residual Field: +08230