Survey Identifier: 78123002


Format Acronym: MGD77
Data Center File Number: 08010051
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19
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): JOSEPH GETTRUST
Project: ROSE PROJECT LEG-I, KK78123002
Funding: ONR/NSF
Survey Departure Date (yyyymmdd): 19790116
Port of Departure: SAN DIEGO,CALIF.,U.S.A.
Survey Arrival Date (yyyymmdd): 19790218
Port of Arrival: MANZANILLO,MEXICO
Navigation Instrumentation: SATELLITE,OMEGA
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ,30-DEGREE BEAM,1-SEC.SWEEP
Additional Forms of Bathymetric Data: ANALOG,MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAG-GEOMETRICS
Additional Forms of Magnetics Data: ANALOG,MICROFILM
Gravity Instrumentation: LACOSTE-ROMBERG S-42 (OSU METER)
Additional Forms of Gravity Data: ANALOG,MICROFILM
Seismic Instrumentation: (SEE ADD.DOC. 18)
Formats of Seismic Data: ANALOG,MICROFILM,DIGITAL
Topmost Latitude of Survey: +33
Bottommost Latitude: +10
Leftmost Longitude: -121
Rightmost Longitude: -100
General Digitizing Rate of Bathymetry: 18
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NO INTERPOLATION
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Magnetic Sensor Tow Distance: 0213
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: CALCULATED FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAGSYSTEM1967
Reference System Code: 3
Reference System: IGSN71
Corrections Applied: DRIFT,+0.0689 MGAL PER DAY
Departure Base Station Gravity: 9795363
Departure Base Station Description: SAN DIEGO,CALIF.,U.S.A.
Arrival Base Station Gravity: 0000000
Additional Documentation: 09 120-250HZ.,5-SEC.REP.RATE,XBT:1-3,4500J SPARKER,OBS#130-144, 09 DIGITAL REFRACTION DATA, 15 SAN DIEGO,CALIF.,U.S.A. 15 STILL METER READING 7297.2
Number of Data Records: 56462

Min/Max Data Record:
Date: 1979 01 16
Latitude: +10.79492
Longitude: -120.02364
Bathymetry, 2- Way Traveltime: 001210
Bathymetry, Corrected Depth: 91.0
Magnetics Total Field, 1st Sensor: 350000
Magnetics Residual Field: -50100
Free-Air Anomaly: -1348

Min/Max Data Record:
Date: 1979 02 18
Latitude: +32.71363
Longitude: -100.75932
Bathymetry, 2- Way Traveltime: 065760
Bathymetry, Corrected Depth: 4949.0
Magnetics Total Field, 1st Sensor: 472230
Magnetics Residual Field: +05880
Free-Air Anomaly: +0983