Survey Identifier: 77081500
Format Acronym: MGD77
Data Center File Number: 08010071
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830128
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. K. DUENNEBIER
Project: HAWAIIAN RIDGE STUDY KK77-08-15-00
Funding: NSF(HRS)
Survey Departure Date (yyyymmdd): 19770815
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19770825
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: +22
Bottommost Latitude: +16
Leftmost Longitude: -158
Rightmost Longitude: -152
General Digitizing Rate of Bathymetry: 32
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: 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: 9789392
Departure Base Station Description: HONOLULU, HAWAII PIER 45
Arrival Base Station Gravity: 9789392
Arrival Base Station Description: HONOLULU, HAWAII PIER 45
Additional Documentation: 09 80 AND 120 CU IN ARGUN, 4500J SPKR, OBS, B,M,G, REFLX (HIGH 80-160, 09 LOW, MIX), OBS 45-62,FFC, FFTG. 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963, 15 GRAVITY STILL METER 7782.2, 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: 10909
Min/Max Data Record:
Date: 1977 08 15
Latitude: +16.85027
Longitude: -157.91576
Bathymetry, 2- Way Traveltime: 000530
Bathymetry, Corrected Depth: 40.0
Magnetics Total Field, 1st Sensor: 339500
Magnetics Residual Field: -17650
Free-Air Anomaly: -1477
Min/Max Data Record:
Date: 1977 08 25
Latitude: +21.31712
Longitude: -152.71042
Bathymetry, 2- Way Traveltime: 073760
Bathymetry, Corrected Depth: 5567.0
Magnetics Total Field, 1st Sensor: 371300
Magnetics Residual Field: +12800
Free-Air Anomaly: +2314