Survey Identifier: 78050400
Format Acronym: MGD77
Data Center File Number: 08010074
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830127
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): F. THEYER
Project: KK78-05-04-00
Funding: NSF
Survey Departure Date (yyyymmdd): 19780505
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19780526
Port of Arrival: HONOLULU, HAWAII
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: GEOMETRICS G 801-3
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)
Topmost Latitude of Survey: +21
Bottommost Latitude: +06
Leftmost Longitude: -171
Rightmost Longitude: -158
General Digitizing Rate of Bathymetry: 40
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 15-MIN INTRVLS IF SMOOTH)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF-75
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 030
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: 9789243
Departure Base Station Description: HONOLULU, HAWAII PIER 45
Arrival Base Station Gravity: 9789243
Arrival Base Station Description: HONOLULU, HAWAII PIER 45
Additional Documentation: 09 80 CU IN AIRGUN, 4500J SPARKER, B, M, G, REFLX (HIGH 80-240, LOW 40-100, 09 MIX 40-100/80-240), 12 KHZ, 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963, 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: 15033
Min/Max Data Record:
Date: 1978 05 05
Latitude: +6.74261
Longitude: -171.00098
Bathymetry, 2- Way Traveltime: 037640
Bathymetry, Corrected Depth: 2809.0
Magnetics Total Field, 1st Sensor: 328210
Magnetics Residual Field: -04730
Free-Air Anomaly: -0875
Min/Max Data Record:
Date: 1978 05 26
Latitude: +20.93333
Longitude: -158.22670
Bathymetry, 2- Way Traveltime: 078000
Bathymetry, Corrected Depth: 5897.0
Magnetics Total Field, 1st Sensor: 335420
Magnetics Residual Field: +01780
Free-Air Anomaly: +1417