Survey Identifier: 76101000
Format Acronym: MGD77
Data Center File Number: 08010036
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830208
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): RICHARD HEY
Project: IPOD PACIFIC SITE 6 KK76-10-10-00
Funding: IPOD
Survey Departure Date (yyyymmdd): 19761009
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19761028
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)
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: +22
Bottommost Latitude: +18
Leftmost Longitude: -158
Rightmost Longitude: -143
General Digitizing Rate of Bathymetry: 29
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: 9789392
Departure Base Station Description: HONOLULU, HAWAII
Arrival Base Station Gravity: 9789392
Arrival Base Station Description: HONOLULU, HAWAII
Additional Documentation: 09 80 AND 120 CU IN AIRGUN, 4500J SPKR, OBS, B, M, G, E, A, REFLX, 09 (LOW 15-20,MIX 40-80/80-200), REFRX, ASPER 1-25, OBS 1-9, PCOD, 09 FFC, FFTG, XBT. 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963, 15 STILL METER READING 7181.9
Number of Data Records: 26288
Min/Max Data Record:
Date: 1976 10 09
Latitude: +18.53224
Longitude: -157.96218
Bathymetry, 2- Way Traveltime: 000220
Bathymetry, Corrected Depth: 16.0
Magnetics Total Field, 1st Sensor: 339700
Magnetics Residual Field: -22060
Free-Air Anomaly: -5800
Min/Max Data Record:
Date: 1976 10 28
Latitude: +21.71286
Longitude: -143.85534
Bathymetry, 2- Way Traveltime: 076220
Bathymetry, Corrected Depth: 5759.0
Magnetics Total Field, 1st Sensor: 376110
Magnetics Residual Field: +06240
Free-Air Anomaly: +2890