Survey Identifier: 71042608
Format Acronym: MGD77
Data Center File Number: 08010007
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 KK71-04-26-08
Funding: IDOE
Survey Departure Date (yyyymmdd): 19720123
Port of Departure: CALLAO, PERU
Survey Arrival Date (yyyymmdd): 19720223
Port of Arrival: CALLAO, 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: -08
Bottommost Latitude: -13
Leftmost Longitude: -113
Rightmost Longitude: -077
General Digitizing Rate of Bathymetry: 53
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: 113
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: 198
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 116-134, 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: 14510
Min/Max Data Record:
Date: 1972 01 23
Latitude: -12.05518
Longitude: -112.03386
Bathymetry, 2- Way Traveltime: 000050
Bathymetry, Corrected Depth: 4.0
Magnetics Total Field, 1st Sensor: 275640
Magnetics Residual Field: -09000
Free-Air Anomaly: -1600
Min/Max Data Record:
Date: 1972 02 23
Latitude: -8.95873
Longitude: -77.14519
Bathymetry, 2- Way Traveltime: 083530
Bathymetry, Corrected Depth: 6330.0
Magnetics Total Field, 1st Sensor: 313300
Magnetics Residual Field: +03920
Free-Air Anomaly: +0450