Survey Identifier: 77031703


Format Acronym: MGD77
Data Center File Number: 08010067
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830203
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): D. HUSSONG
Project: IPOD PHILIPPINE SEA SITE 14 KK77-03-17-03
Funding: IPOD/ONR
Survey Departure Date (yyyymmdd): 19770421
Port of Departure: PONAPE, CAROLINE IS.
Survey Arrival Date (yyyymmdd): 19770508
Port of Arrival: GUAM, U.S.A.
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: +19
Bottommost Latitude: +06
Leftmost Longitude: +144
Rightmost Longitude: +159
General Digitizing Rate of Bathymetry: 27
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: 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: 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 CU IN AIRGUN, 4500J SPKR, OBS, B,M,G,E,A,REFLX (LOW 40-100, 09 MIX 40-100/100-250, VLOW 10-50), REFRX, OBS 9-17, ASPER 20-19. 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 6783.9
Number of Data Records: 22555

Min/Max Data Record:
Date: 1977 04 21
Latitude: +6.97097
Longitude: +144.70196
Bathymetry, 2- Way Traveltime: 004130
Bathymetry, Corrected Depth: 316.0
Magnetics Total Field, 1st Sensor: 346220
Magnetics Residual Field: -05110
Free-Air Anomaly: -2788

Min/Max Data Record:
Date: 1977 05 08
Latitude: +18.31738
Longitude: +158.20092
Bathymetry, 2- Way Traveltime: 113300
Bathymetry, Corrected Depth: 8697.0
Magnetics Total Field, 1st Sensor: 367000
Magnetics Residual Field: +03060
Free-Air Anomaly: +3149