Survey Identifier: 71042609
Format Acronym: MGD77
Data Center File Number: 08010008
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830309
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): D. HUSSONG
Project: NAZCA PLATE PROJECT KK71-04-26-09
Funding: IDOE
Survey Departure Date (yyyymmdd): 19720227
Port of Departure: CALLAO, PERU
Survey Arrival Date (yyyymmdd): 19720313
Port of Arrival: TALARA, PERU
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
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: -04
Bottommost Latitude: -13
Leftmost Longitude: -084
Rightmost Longitude: -077
General Digitizing Rate of Bathymetry: 102
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: 137
General Sampling Rate of Magnetics: 00
Magnetic Sensor Tow Distance: 0000
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 226
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 B, M, G, REFLX (HIGH, LOW), REFRX, ASPER 135-137, 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: 5006
Min/Max Data Record:
Date: 1972 02 27
Latitude: -12.15140
Longitude: -83.01654
Bathymetry, 2- Way Traveltime: 000130
Bathymetry, Corrected Depth: 10.0
Magnetics Total Field, 1st Sensor: 276490
Magnetics Residual Field: -02590
Free-Air Anomaly: -1660
Min/Max Data Record:
Date: 1972 03 13
Latitude: -4.54482
Longitude: -77.14519
Bathymetry, 2- Way Traveltime: 083210
Bathymetry, Corrected Depth: 6305.0
Magnetics Total Field, 1st Sensor: 304760
Magnetics Residual Field: +03920
Free-Air Anomaly: +1120