Survey Identifier: 77031702
Format Acronym: MGD77
Data Center File Number: 08010038
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830224
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): WIPPERMAN
Project: MESOZOIC PACIFIC SITE SURVEY KK77-03-17-02
Funding: IPOD/ONR
Survey Departure Date (yyyymmdd): 19770408
Port of Departure: MAJURO AMERICAN TRUST TERRITORIE
Survey Arrival Date (yyyymmdd): 19770419
Port of Arrival: PONAPE, CAROLINE ISL.
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: +09
Bottommost Latitude: +06
Leftmost Longitude: +158
Rightmost Longitude: +172
General Digitizing Rate of Bathymetry: 48
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: 11
General Sampling Rate of Magnetics: 00
Magnetic Sensor Tow Distance: 0000
Sensor Depth: 00000
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: 55
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 APPLIED
Departure Base Station Gravity: 9785320
Departure Base Station Description: GUAM, U. S. A.
Arrival Base Station Gravity: 9785320
Arrival Base Station Description: GUAM, U. S. A.
Additional Documentation: 09 120 AND 300 CU IN AIRGUN, 4500J SPARKER, OBS, B, M, G, E, A, REFLX, 09 (LOW, MIX, VLOW), REFRX/DIGITAL, OBS 5-8, ASPER 12-19/DIGITAL, XBT 1-2, 09 PCOD. 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: 13886
Min/Max Data Record:
Date: 1977 04 08
Latitude: +6.14796
Longitude: +158.08340
Bathymetry, 2- Way Traveltime: 006660
Bathymetry, Corrected Depth: 504.0
Magnetics Total Field, 1st Sensor: 336600
Magnetics Residual Field: -05430
Free-Air Anomaly: -0574
Min/Max Data Record:
Date: 1977 04 19
Latitude: +8.18804
Longitude: +171.37168
Bathymetry, 2- Way Traveltime: 069040
Bathymetry, Corrected Depth: 5201.0
Magnetics Total Field, 1st Sensor: 348210
Magnetics Residual Field: +00440
Free-Air Anomaly: +2998