Survey Identifier: 77110902
Format Acronym: MGD77
Data Center File Number: 08010042
Parameters Surveyed Code: 55551
File Creation Date (yyyymmdd): 19800417
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): E.D. STROUP
Project: KK771109 LEG 02 TAHITI SHUTTLE TEST
Funding: N.S.F.
Survey Departure Date (yyyymmdd): 19771204
Port of Departure: PAPEETE, TAHITI
Survey Arrival Date (yyyymmdd): 19771220
Port of Arrival: HONOLULU, HAWAII, U.S.A.
Navigation Instrumentation: SATELLITE, SEXTANT
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: 3.5KHZ, 30DEG BEAM, 1SEC REP RATE
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM, DATA LOGGER
Magnetics Instrumentation: VARIAN PROTON PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG RECORDS, MICROFILM, DATA LOGGER
Gravity Instrumentation: LACOSTE-ROMBERG STABLE TABLE S-33
Additional Forms of Gravity Data: ANALOG RECORDS, MICROFILM, DATA LOGGER
Seismic Instrumentation: (SEE BATHYMETRY INSTRUMENTATION)
Formats of Seismic Data: (SEE BATHYMETRY DATA)
Topmost Latitude of Survey: +21
Bottommost Latitude: -18
Leftmost Longitude: -157
Rightmost Longitude: -149
General Digitizing Rate of Bathymetry: 47
General Sampling Rate of Bathymetry: 1 PER SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NO INTERPOLATION
General Digitizing Rate of Magnetics: 010
Magnetic Sensor Tow Distance: 0180
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: CALCULATED FOR EACH POINT
General Digitizing Rate of Gravity: 050
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
Departure Base Station Gravity: 0000000
Arrival Base Station Gravity: 0000000
Additional Documentation: 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963, 15, 07 MAGNETICS COLLECTED ONLY UNTIL 5 NOV. 12 BATHYMETRY PICKED BY HAND AT 5 MIN INTERVALS+PEAKS+TROUGHS
Number of Data Records: 10208
Min/Max Data Record:
Date: 1977 12 04
Latitude: -17.53025
Longitude: -156.71362
Bathymetry, 2- Way Traveltime: 006000
Bathymetry, Corrected Depth: 454.0
Magnetics Total Field, 1st Sensor: 350650
Magnetics Residual Field: -06820
Free-Air Anomaly: -0883
Min/Max Data Record:
Date: 1977 12 19
Latitude: +20.42743
Longitude: -149.58547
Bathymetry, 2- Way Traveltime: 078720
Bathymetry, Corrected Depth: 5953.0
Magnetics Total Field, 1st Sensor: 373250
Magnetics Residual Field: +01040
Free-Air Anomaly: +1614