Survey Identifier: 84042801
Format Acronym: MGD77
Data Center File Number: 08010114
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19860313
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): DON HUSSONG/PATRICIA FRYER
Project: KK84042801 NORTHERN MARIANA SEAMARC II SURVEY
Funding: ONR
Survey Departure Date (yyyymmdd): 19840515
Port of Departure: AGANA, GUAM
Survey Arrival Date (yyyymmdd): 19840528
Port of Arrival: CHICHIJIMA, JAPAN
Navigation Instrumentation: LORAN,SATELLITE,SAT OMEGA,RADAR
Geodetic Datum/Position: PRI-LORAN C, SEC-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
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG
Seismic Instrumentation: 40,120 CU IN AIRGUN
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: +28
Bottommost Latitude: +13
Leftmost Longitude: +141
Rightmost Longitude: +146
General Digitizing Rate of Bathymetry: 14
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: PICKED PEAKS AND TROUGHS OR 15 MIN INTERVALS (IF SMOOTH)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 10
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: 3
Theoretical Gravity Formula: IAGSYSTEM1967
Reference System Code: 3
Reference System: IGSN71
Corrections Applied: NONE
Departure Base Station Gravity: 9789243
Departure Base Station Description: HONOLULU, PIER 45
Arrival Base Station Gravity: 9789243
Arrival Base Station Description: HONOLULU, PIER 45
Additional Documentation: 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: 26676
Min/Max Data Record:
Date: 1984 05 15
Latitude: +13.44626
Longitude: +141.89771
Bathymetry, 2- Way Traveltime: 000510
Bathymetry, Corrected Depth: 38.0
Magnetics Total Field, 1st Sensor: 363030
Magnetics Residual Field: -05270
Free-Air Anomaly: -0187
Min/Max Data Record:
Date: 1984 05 28
Latitude: +27.10267
Longitude: +145.26195
Bathymetry, 2- Way Traveltime: 063650
Bathymetry, Corrected Depth: 4789.0
Magnetics Total Field, 1st Sensor: 407400
Magnetics Residual Field: +09900
Free-Air Anomaly: +3435