Survey Identifier: ELT26


Format Acronym: MGD77
Data Center File Number: 01020026
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): THOMAS WUSTENBERG
Project: CRUISE 026
Funding: NSF
Survey Departure Date (yyyymmdd): 19661129
Port of Departure: WELLINGTON, NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19661219
Port of Arrival: WELLINGTON, NEW ZEALAND
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: -38
Bottommost Latitude: -48
Leftmost Longitude: +159
Rightmost Longitude: +175
General Digitizing Rate of Bathymetry: 47
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 50
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: 5721

Min/Max Data Record:
Date: 1966 11 29
Latitude: -47.70000
Longitude: +159.94330
Bathymetry, 2- Way Traveltime: 000825
Bathymetry, Corrected Depth: 62.0
Magnetics Total Field, 1st Sensor: 569200
Magnetics Residual Field: -05560

Min/Max Data Record:
Date: 1966 12 19
Latitude: -38.68330
Longitude: +174.46660
Bathymetry, 2- Way Traveltime: 070575
Bathymetry, Corrected Depth: 5318.0
Magnetics Total Field, 1st Sensor: 631190
Magnetics Residual Field: +11210