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! Converted to time format with year at start.
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!
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DATA COLLECTION OVERVIEW (use NGDC GEODAS CD to retrieve data)
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MCG Data Collection ID --- S272GA
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Institution Data Collection ID --- CONMALAS
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NGDC ID --- 03020022
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Funding --- (unspecified)
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Project, Cruise & Leg --- GULF OF ALASKA CON. MARGIN CS-2-72
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Study region --- +61.00000,+56.00000,-151.00000,-140.00000
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Chief Scientist(s) --- (unspecified)
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Name of vessel --- SURVEYOR (surface ship)
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Date field data collection started --- 07/23/72 GULF OF ALASKA
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Date field data collection ended --- 09/23/72 GULF OF 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: (unspecified)
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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 --- 02/12/80
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Contributing institution --- NOAA/NOS
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Country --- USA
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Navigation instrumentation --- DECCA HI-FIX AND SEA-FIX, MAGNAVOX-706SA
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Position determination method --- (unspecified)
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Bathymetry instrumentation --- NARROW B. TRACE PDR/DE-723 FATHOMETER
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Additional forms of bathymetric data --- 7
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General rate of bathymetry in file --- 11.1 minutes
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General collection rate of bathymetry --- (unspecified)
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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 --- (unspecified)
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Magnetics instrumentation --- (unspecified)
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Additional forms of magnetics data --- (unspecified)
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General rate of magnetics in file --- 11.0 minutes
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General collection rate of magnetics --- 20 seconds
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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 --- (unspecified)
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Gravity instrumentation --- LACOSTE-ROMBERG STABLE TABLE METER
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Additional forms of gravity data --- ANALOG
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General rate of gravity in file --- 11.5 minutes
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General collection rate of gravity --- (unspecified)
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Theoretical gravity formula --- (unspecified)
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Reference system --- (unspecified)
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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 --- SEE AD DOC 18-20
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Formats of seismic data --- (unspecified)
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Notes ---
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RAYTHEON PSR, TELEDYNE HYDROSTREAMER-50/TELEDYNE HYDROPHONE
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WORTHINGTON FOUR-STAGE AIR COMPRESSORS
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WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY
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ANOMALY VALUES THAT SHOULD BE POSITIVE.
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