Survey Identifier: DSDP42GC
Format Acronym: MGD77
Data Center File Number: 15050040
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19791127
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): HSU K.,MONTADERT,ROSS,NEPROCHNOV
Project: DEEPSEA DRILL.LG 42 <NSF>
Survey Departure Date (yyyymmdd): 19750414
Port of Departure: MALAGA,SPAIN
Survey Arrival Date (yyyymmdd): 19750610
Port of Arrival: ISTANBUL,TURKEY
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/EDO 550A RECORDER/WIDE BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: GEOMETRICS MAGNETOMETER MOD G-801/3
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO 550 REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +44
Bottommost Latitude: +34
Leftmost Longitude: -002
Rightmost Longitude: +037
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 5554
Min/Max Data Record:
Date: 1975 04 14
Latitude: +34.51320
Longitude: -1.85370
Bathymetry, 2- Way Traveltime: 001230
Bathymetry, Corrected Depth: 92.0
Magnetics Total Field, 1st Sensor: 425920
Magnetics Residual Field: -06580
Min/Max Data Record:
Date: 1975 06 07
Latitude: +43.00500
Longitude: +36.01160
Bathymetry, 2- Way Traveltime: 056142
Bathymetry, Corrected Depth: 4335.0
Magnetics Total Field, 1st Sensor: 478790
Magnetics Residual Field: +05960