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! Converted to time format with year at start.
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DATA COLLECTION OVERVIEW (use NGDC GEODAS CD to retrieve data)
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MCG Data Collection ID --- C1969NP
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Institution Data Collection ID --- C1219
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NGDC ID --- 01010074
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Funding --- (unspecified)
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Project, Cruise & Leg --- CRUISE 12, LEG 19
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Study region --- +52.00000,+24.00000,+140.00000,-177.00000
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Chief Scientist(s) --- S. LIEBER
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Name of vessel --- ROBERT D. CONRAD (surface ship)
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Date field data collection started --- 07/12/69 HAKODATE, JAPAN
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Date field data collection ended --- 08/06/69 ADAK, ALASKA
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Parameters surveyed ---
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Bathymetry: surveyed, contained in data file
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Magnetics: surveyed, contained in data file
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Gravity: surveyed, contained in data file
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High-resolution seismics: surveyed, but not contained in data file
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Deep penetration seismics: surveyed, but not contained in data file
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Format --- (I1,A8,F5.2,4I2,F5.3,F8.5,F9.5,I1,F6.4,F6.1,I2,i1,3F6.1,I1,F5.1,F6.0,F7.1,F6.1,F5.1,A8,4I1)
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Date of data input to NGDC --- 07/06/89
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Contributing institution --- LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
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Country --- USA
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Navigation instrumentation --- SATELLITE
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Position determination method --- SATELLITE/ DEAD RECKONING
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Bathymetry instrumentation --- (SEE ADD DOC / 18)
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Additional forms of bathymetric data --- ANALOG RECORDS
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General rate of bathymetry in file --- 6.0 minutes
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General collection rate of bathymetry --- ONE SECOND
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Assumed sound velocity --- 1463.0 m/sec
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Bathymetric datum code --- No correction applied (sea level)
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Bathmetry interpolation scheme --- NONE
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Magnetics instrumentation --- L-DGO MFG PROTON-PRECESSION
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Additional forms of magnetics data --- ANALOG RECORDS
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General rate of magnetics in file --- 3.6 minutes
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General collection rate of magnetics --- (unspecified)
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Magnetic sensor tow distance --- (unspecified)
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Magnetic sensor depth --- (unspecified)
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Two sensor horizontal separation --- (unspecified)
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Residual magnetics reference field --- IGRF-65
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Method of applying residual field --- LINEAR INTERPOLATION BETWEEN TWO NAV PTS
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Gravity instrumentation --- ANSCHUTZ ELECTRICTABLE, ASKANIA GSS2-6
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Additional forms of gravity data --- ANALOG RECORDS
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General rate of gravity in file --- 3.6 minutes
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General collection rate of gravity --- (unspecified)
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Theoretical gravity formula --- International 1930
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Reference system --- Potsdam system
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Corrections applied --- (unspecified)
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Starting land tie --- (unspecified)
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Ending land tie --- (unspecified)
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Seismic instrumentation --- L-DGO 25CU-IN-AIRGUN,EEL,DRUM RECORDER
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Formats of seismic data --- TWO, 2 CHANNEL SHEET RECORDS
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Notes ---
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06 -3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
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