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ID
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C-20-69-NP
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Abstract
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Chief Scientist: S. Lieber. Geophysical data
(transitsatellite, magnetics, gravity, airgun, 3dot5khz,
12khz) of field activity C-20-69-NP in Robert D. Conrad from
08/09/1969 to 09/03/1969
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Chief Scientist
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S. Lieber
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Activity Type
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Geophysical
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Platform
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Robert D. Conrad
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Area of Operation
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Robert D. Conrad, North Pacific Ocean
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Bounding Coordinates
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57.60600
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163.96201 -176.06599 |
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51.37500 |
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Dates
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08/09/1969 (JD 221) to 09/03/1969 (JD 246)
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Analog Materials
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list
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Crew
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S. Lieber
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Chief Scientist
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Equipment Used
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transitsatellite
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magnetics
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gravity
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airgun
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3dot5khz
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12khz
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NGDC Overview
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! Converted to time format with year at start.
!
DATA COLLECTION OVERVIEW (use NGDC GEODAS CD to retrieve data)
MCG Data Collection ID --- C2069NP
Institution Data Collection ID --- C1220
NGDC ID --- 01010075
Funding --- (unspecified)
Project, Cruise & Leg --- CRUISE 12, LEG 20
Study region --- +58.00000,+21.00000,+163.00000,-157.00000
Chief Scientist(s) --- S. LIEBER
Name of vessel --- ROBERT D. CONRAD (surface ship)
Date field data collection started --- 08/09/69 ADAK, ALASKA
Date field data collection ended --- 09/03/69 HONOLULU, HAWAII
Parameters surveyed ---
Bathymetry: surveyed, contained in data file
Magnetics: surveyed, contained in data file
Gravity: surveyed, contained in data file
High-resolution seismics: surveyed, but not contained in data file
Deep penetration seismics: surveyed, but not contained in data file
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)
Date of data input to NGDC --- 07/06/89
Contributing institution --- LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country --- USA
Navigation instrumentation --- SATELLITE
Position determination method --- SATELLITE/ DEAD RECKONING
Bathymetry instrumentation --- (SEE ADD DOC / 18)
Additional forms of bathymetric data --- ANALOG RECORDS
General rate of bathymetry in file --- 6.0 minutes
General collection rate of bathymetry --- ONE SECOND
Assumed sound velocity --- 1463.0 m/sec
Bathymetric datum code --- No correction applied (sea level)
Bathmetry interpolation scheme --- NONE
Magnetics instrumentation --- L-DGO MFG PROTON-PRECESSION
Additional forms of magnetics data --- ANALOG RECORDS
General rate of magnetics in file --- 3.6 minutes
General collection rate of magnetics --- (unspecified)
Magnetic sensor tow distance --- (unspecified)
Magnetic sensor depth --- (unspecified)
Two sensor horizontal separation --- (unspecified)
Residual magnetics reference field --- IGRF-65
Method of applying residual field --- LINEAR INTERPOLATION BETWEEN TWO NAV
PTS
Gravity instrumentation --- ANSCHUTZ ELECTRICTABLE, ASKANIA GSS2-6
Additional forms of gravity data --- ANALOG RECORDS
General rate of gravity in file --- 3.6 minutes
General collection rate of gravity --- (unspecified)
Theoretical gravity formula --- International 1930
Reference system --- Potsdam system
Corrections applied --- (unspecified)
Starting land tie --- (unspecified)
Ending land tie --- (unspecified)
Seismic instrumentation --- L-DGO 25CU-IN-AIRGUN,EEL,DRUM RECORDER
Formats of seismic data --- TWO, 2 CHANNEL SHEET RECORDS
Notes ---
06 -3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
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Got Help?
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For C-20-69-NP, we would appreciate any information on -- contract, days at sea, dive count, funding, information specialist, information to be derived, kms of navigation, national plan, notes, organization, owner, ports, project, project number, publications, purpose, scanned materials, seismic description, station count, station description, submersible, summary, tabulated info.
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