Survey Identifier: ODP109JR


Format Acronym: MGD77
Data Center File Number: 23060012
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19871007
Source Institution: TEXAS A+M UNIV. OCEAN DRILLING PROGRAM
Country: USA
Platform Name: JOIDES RESOLUTION
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): W.B.BRYAN,T.JUTEAU,A.C.ADAMSON
Project: OCEAN DRILLING PROGRAM LEG 109
Survey Departure Date (yyyymmdd): 19860427
Port of Departure: DAKAR,SENEGAL
Survey Arrival Date (yyyymmdd): 19860619
Port of Arrival: BRIDGETOWN,BARBADOS
Navigation Instrumentation: MAGNAVOX TRANSIT & GPS
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5&12KHZ EDO
Additional Forms of Bathymetric Data: ANAL.REC,35MM FILM,DIGITAL MAG.TAPE
Magnetics Instrumentation: GEOMETRICS 801 PROTON
Additional Forms of Magnetics Data: ANAL.REC,35MM FILM,DIGITAL MAG.TAPE
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: NONE COLLECTED
Topmost Latitude of Survey: +24
Bottommost Latitude: +13
Leftmost Longitude: -060
Rightmost Longitude: -017
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL (DEPTHS PICKED AT 5 MINUTE INTERVALS)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: IG
Reference Field: RF-85
Method of Applying Residual Field: LIN.INTERP.POINTS WiTHIN ONE DEGREE PLANE
Additional Documentation: ORIGINAL RECORDS ARCHIVED AT ODP. THERE IS A LARGE GAP IN FIXES FROM 1408 24 APR THRU 1252 26 APR. THERE WERE NO FIXES FROM 0855 JUNE 16 TO PORT. WE USED PORT POSITION FROM, BOWDITCH PRACTICAL NAVIGATOR, AND PORT ARRIVAL TIME WAS ESTIMATED FROM THE, ODP PRELIMARY REPORT.
Number of Data Records: 1004

Min/Max Data Record:
Date: 1986 04 23
Latitude: +13.08333
Longitude: -59.61666
Bathymetry, 2- Way Traveltime: 025227
Bathymetry, Corrected Depth: 1897.0
Magnetics Total Field, 1st Sensor: 330070
Magnetics Residual Field: -01225

Min/Max Data Record:
Date: 1986 06 19
Latitude: +23.52055
Longitude: -17.81900
Bathymetry, 2- Way Traveltime: 065053
Bathymetry, Corrected Depth: 4921.0
Magnetics Total Field, 1st Sensor: 390520
Magnetics Residual Field: +01313