Survey Identifier: 72110803
Format Acronym: MGD77
Data Center File Number: 08010018
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830302
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V KANA KEOKI
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J. F. CAMPBELL
Project: NAZCA PLATE PROJECT KK72-11-08-03
Funding: IDOE
Survey Departure Date (yyyymmdd): 19730121
Port of Departure: PAPEETE, TAHITI
Survey Arrival Date (yyyymmdd): 19730214
Port of Arrival: QUAYAQUIL, EQUADOR
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ 30 DEG BEAM
Additional Forms of Bathymetric Data: ANALOG, MICROFILM
Magnetics Instrumentation: VARIAN PROTON PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG, MICROFILM
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG, MICROFILM
Seismic Instrumentation: (SEE ADD.DOC. 18)
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: -02
Bottommost Latitude: -18
Leftmost Longitude: -150
Rightmost Longitude: -080
General Digitizing Rate of Bathymetry: 62
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 15 MIN INTERVLS IF SMOOTH)
General Digitizing Rate of Magnetics: 40
General Sampling Rate of Magnetics: 00
Magnetic Sensor Tow Distance: 0000
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 00
Reference Field: IGRF-65
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 154
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 0000000
Arrival Base Station Gravity: 0000000
Additional Documentation: 09 AIRGUN, SPKR, B, M, G, REFLX (HIGH, LOW), ASPER 22-34, XBT 3-53, 09 THERMAL CONDUCTIVITY, 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963
Number of Data Records: 15899
Min/Max Data Record:
Date: 1973 01 21
Latitude: -17.53418
Longitude: -149.62618
Bathymetry, 2- Way Traveltime: 000120
Bathymetry, Corrected Depth: 9.0
Magnetics Total Field, 1st Sensor: 296320
Magnetics Residual Field: -04150
Free-Air Anomaly: -1570
Min/Max Data Record:
Date: 1973 02 14
Latitude: -2.75168
Longitude: -80.42956
Bathymetry, 2- Way Traveltime: 062770
Bathymetry, Corrected Depth: 4718.0
Magnetics Total Field, 1st Sensor: 377400
Magnetics Residual Field: +14340
Free-Air Anomaly: +1140