Survey Identifier: 74010907


Format Acronym: MGD77
Data Center File Number: 08010031
Parameters Surveyed Code: 55553
File Creation Date (yyyymmdd): 19800409
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): DONALD M. HUSSONG
Project: IPOD SITE SURVEY ATLANTIC NO. 5 KK740109 LEG 07
Funding: N.S.F.(I.P.O.D.)
Survey Departure Date (yyyymmdd): 19750324
Port of Departure: MIAMI, FLORIDA, U.S.A.
Survey Arrival Date (yyyymmdd): 19750505
Port of Arrival: PANAMA
Navigation Instrumentation: SATELLITE, SEXTANT
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: 3.5KHZ, 30DEG BEAM, 1SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Magnetics Instrumentation: VARIAN PROTON PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG RECORDS, MICROFILM
Gravity Instrumentation: LACOSTE-ROMBERG STABLE TABLE S-33
Additional Forms of Gravity Data: ANALOG RECORDS, MICROFILM
Seismic Instrumentation: (SEE ADD. DOCU. NOS. 19 & 20)
Formats of Seismic Data: ANALOG, MICROFILM, DIGITAL REFRACTION
Topmost Latitude of Survey: +30
Bottommost Latitude: +09
Leftmost Longitude: -080
Rightmost Longitude: -045
General Digitizing Rate of Bathymetry: 49
General Sampling Rate of Bathymetry: 1 PER SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NO INTERPOLATION
General Digitizing Rate of Magnetics: 050
Magnetic Sensor Tow Distance: 0180
Horizontal Sensor Separation: 000
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: CALCULATED FOR EACH POINT
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Corrections Applied: NONE
Additional Documentation: 04 PORT STOP AT SAN JUAN, PUERTO RICO 28APR-2MAY, 09 40-300HZ, 3000J SPARKER, 40+120+300CUIN AIRGUNS, 4+5+8+10SEC REP RATES, EEL, 09 19-21APR ONLY/646 SHOTS OF 3-60 LBS, 2 OBS, SONOBUOYS, MAGNETICS,GRAVITY,COURSE,SPEED LOGGED BY LAB WATCH AT 5MIN INTERVALS UNTIL 24, APRIL. NAVIGATION HAND-PICKED FROM LOGS FOR REMAINDER OF CRUISE. 12 BATHYMETRY PICKED AT 5MIN INTERVALS+PEAKS+TROUGHS BY LAB WATCH AT SEA UNTIL, 12 24APR, AND WITH PENTHOUSE DIGITIZER FOR REMAINDER OF LEG.
Number of Data Records: 14990

Min/Max Data Record:
Date: 1975 03 26
Latitude: +9.58396
Longitude: -79.90131
Bathymetry, 2- Way Traveltime: 000570
Bathymetry, Corrected Depth: 43.0
Magnetics Total Field, 1st Sensor: 394630
Magnetics Residual Field: -07930
Free-Air Anomaly: -1560

Min/Max Data Record:
Date: 1975 05 05
Latitude: +29.99595
Longitude: -45.19870
Bathymetry, 2- Way Traveltime: 105590
Bathymetry, Corrected Depth: 8102.0
Magnetics Total Field, 1st Sensor: 494840
Magnetics Residual Field: -01150
Free-Air Anomaly: +1489