Survey Identifier: ELT27
Format Acronym: MGD77
Data Center File Number: 01020027
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19890705
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ELTANIN
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ROBERT LEYDEN
Project: CRUISE 027
Funding: NSF
Survey Departure Date (yyyymmdd): 19661231
Port of Departure: WELLINGTON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19670228
Port of Arrival: MELBOURNE, AUSTRALIA
Navigation Instrumentation: SATELLITE AND SEXTANT
Geodetic Datum/Position: SATELLITE AND DEADRECKONING
Bathymetry Instrumentation: SEE ADDITIONAL DOCUMENTATION SEQ-18-178
Additional Forms of Bathymetric Data: ANALOG DATA
Magnetics Instrumentation: VARIAN PROTON PRECESSION
Additional Forms of Magnetics Data: ANALOG DATA
Seismic Instrumentation: L-DGO 26.3 CU IN AIRGUN,STREAMER,DRUM RE
Formats of Seismic Data: TWO-2CHANNELS, SHEET RECORDS
Topmost Latitude of Survey: -39
Bottommost Latitude: -78
Leftmost Longitude: +143
Rightmost Longitude: -174
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 52
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LINEAR INERPOLATION BETWEEN NAVIGATION POINTS
Additional Documentation: PDR 12KHZ WIDEBEAM 60 DEGREE ONCE PER SECOND SWEEP
Number of Data Records: 16107
Min/Max Data Record:
Date: 1966 12 31
Latitude: -77.95830
Longitude: -180.00000
Bathymetry, 2- Way Traveltime: 000225
Bathymetry, Corrected Depth: 17.0
Magnetics Total Field, 1st Sensor: 579050
Magnetics Residual Field: -09450
Min/Max Data Record:
Date: 1967 02 28
Latitude: -39.44670
Longitude: +180.00000
Bathymetry, 2- Way Traveltime: 072575
Bathymetry, Corrected Depth: 5450.0
Magnetics Total Field, 1st Sensor: 683740
Magnetics Residual Field: +09400