Survey Identifier: DSDP14GC
Format Acronym: MGD77
Data Center File Number: 15050012
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19791122
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): HAYES D.E.,PIMM A.C.
Project: DEEPSEA DRILL.LG 14 <NSF>
Survey Departure Date (yyyymmdd): 19701009
Port of Departure: LISBON,PORTUGAL
Survey Arrival Date (yyyymmdd): 19701130
Port of Arrival: SAN JUAN,PUERTO RICO
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO PSR REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +38
Bottommost Latitude: +03
Leftmost Longitude: -065
Rightmost Longitude: -010
General Digitizing Rate of Bathymetry: 107
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: PEAK AND TROUGH
General Digitizing Rate of Magnetics: 141
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN.INTERP.AT 30DEG C/C OR 500MI ALONG TRACK
Additional Documentation: *TIME*NAV AND RECORDS ORIGINALLY IN LOCAL TZ. DIGITIZED DATA CONVERTED TO GMT.
Number of Data Records: 10824
Min/Max Data Record:
Date: 1970 10 09
Latitude: +3.36070
Longitude: -64.33910
Bathymetry, 2- Way Traveltime: 001124
Bathymetry, Corrected Depth: 84.0
Magnetics Total Field, 1st Sensor: 300100
Magnetics Residual Field: -06050
Min/Max Data Record:
Date: 1970 11 30
Latitude: +37.14020
Longitude: -10.15300
Bathymetry, 2- Way Traveltime: 081350
Bathymetry, Corrected Depth: 6173.0
Magnetics Total Field, 1st Sensor: 426700
Magnetics Residual Field: +06150