Survey Identifier: 77031704
Format Acronym: MGD77
Data Center File Number: 08010068
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 KK77-03-17-04
Funding: IPOD/ONR
Survey Departure Date (yyyymmdd): 19770513
Port of Departure: GUAM, U.S.A.
Survey Arrival Date (yyyymmdd): 19770603
Port of Arrival: YOKOHAMA, JAPAN
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: +32
Bottommost Latitude: +13
Leftmost Longitude: +140
Rightmost Longitude: +149
General Digitizing Rate of Bathymetry: 25
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, REFLX (LOW 40-100, 09 MIX 40-100/100-250, VLOW 20-20), REFRX, OBS 18-24, 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: 27600
Min/Max Data Record:
Date: 1977 05 13
Latitude: +13.45584
Longitude: +140.49525
Bathymetry, 2- Way Traveltime: 000550
Bathymetry, Corrected Depth: 41.0
Magnetics Total Field, 1st Sensor: 360490
Magnetics Residual Field: -05620
Free-Air Anomaly: -2342
Min/Max Data Record:
Date: 1977 06 03
Latitude: +31.43554
Longitude: +148.72194
Bathymetry, 2- Way Traveltime: 112230
Bathymetry, Corrected Depth: 8611.0
Magnetics Total Field, 1st Sensor: 437340
Magnetics Residual Field: +08660
Free-Air Anomaly: +1910