Survey Identifier: NOVA07AR
Format Acronym: MGD77
Data Center File Number: 15010054
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V ARGO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R.L.FISHER
Project: NOVA LEG 7
Survey Departure Date (yyyymmdd): 19671007
Port of Departure: SUVA,FIJI
Survey Arrival Date (yyyymmdd): 19671026
Port of Arrival: PAGO PAGO,SAMOA
Navigation Instrumentation: CELESTIAL,MANUAL ENTRY GYRO SPEED
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS
Magnetics Instrumentation: VARIAN MFD PROTON PROCESSION MOD 4970
Additional Forms of Magnetics Data: ANALOGUE RECORDS
Gravity Instrumentation: NONE
Seismic Instrumentation: 40CU.IN.AIRGUN,10-300HZ,GIFFT RECORDER
Formats of Seismic Data: ANAL. RECORDS,35MM MICROFILM
Topmost Latitude of Survey: -14
Bottommost Latitude: -21
Leftmost Longitude: +178
Rightmost Longitude: -170
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: VARIABLE, BETWEEN 1 AND 6 MINUTES
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 88
Reference Field: DGRF-1965
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE SQUARE
Additional Documentation: RE-PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY, IN 1991, USING DATA ORIGINALLY DIGITIZED IN LATE 1960S. DATA ORIGINALLY LOGGED IN LOCAL TIME HAS BEEN CONVERTED TO GMT. DEPTHS LOGGED IN FATHOMS (800FM/SEC) HAVE BEEN CONVERTED TO METERS(1500M/SEC). SURVEY DATA BETWEEN 10OCT67 AND 23OCT67 RETAINED BY R.L.FISHER (SI0)
Number of Data Records: 1410
Min/Max Data Record:
Date: 1967 10 06
Latitude: -20.42332
Longitude: -179.98643
Bathymetry, 2- Way Traveltime: 004347
Bathymetry, Corrected Depth: 332.0
Magnetics Total Field, 1st Sensor: 396980
Magnetics Residual Field: -04277
Min/Max Data Record:
Date: 1967 10 26
Latitude: -14.39666
Longitude: +179.99806
Bathymetry, 2- Way Traveltime: 124307
Bathymetry, Corrected Depth: 9583.0
Magnetics Total Field, 1st Sensor: 441770
Magnetics Residual Field: +03902