Survey Identifier: 74010906
Format Acronym: MGD77
Data Center File Number: 08010030
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830210
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: SEQUEIROS FRACTURE ZONE KK74-01-09-06
Funding: NSF
Survey Departure Date (yyyymmdd): 19740621
Port of Departure: BALBOA, PANAMA
Survey Arrival Date (yyyymmdd): 19740723
Port of Arrival: SAN DIEGO, CALIFORNIA
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: +33
Bottommost Latitude: +05
Leftmost Longitude: -118
Rightmost Longitude: -079
General Digitizing Rate of Bathymetry: 45
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: 010
General Sampling Rate of Magnetics: 06
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: 050
General Sampling Rate of Gravity: 60
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
Departure Base Station Description: HONOLULU, HAWAII PIER 18
Arrival Base Station Gravity: 0000000
Arrival Base Station Description: HONOLULU, HAWAII PIER 18
Additional Documentation: 09 AIRGUN, SPARKER, OBS, B, M, G, REFLX (HIGH, LOW, MIX, VLOW), REFRX, 09 ASPER 39-53, XBT 147-206, FFTG, RD, GCTG, T-PROBE. 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: 17503
Min/Max Data Record:
Date: 1974 06 21
Latitude: +5.44730
Longitude: -117.57852
Bathymetry, 2- Way Traveltime: 000140
Bathymetry, Corrected Depth: 11.0
Magnetics Total Field, 1st Sensor: 347240
Magnetics Residual Field: -05650
Free-Air Anomaly: -1340
Min/Max Data Record:
Date: 1974 07 23
Latitude: +32.90670
Longitude: -79.50228
Bathymetry, 2- Way Traveltime: 071490
Bathymetry, Corrected Depth: 5392.0
Magnetics Total Field, 1st Sensor: 492600
Magnetics Residual Field: +12750
Free-Air Anomaly: +1120