Survey Identifier: ARES1AWT
Format Acronym: MGD77
Data Center File Number: 15040001
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19810806
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BRINTON E.
Project: ARIES LEG 1A
Survey Departure Date (yyyymmdd): 19701115
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19701202
Port of Arrival: EASTER ISLAND
Navigation Instrumentation: SATNAV,AUTOLOG GYRO + EMLOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Seismic Instrumentation: 40CU.IN.AIRGUN,10-300HZ,PDR MK 10 REC.
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +28
Bottommost Latitude: -28
Leftmost Longitude: -117
Rightmost Longitude: -109
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.AT 30DEG C/C OR 500MI ALONG TRACK
Number of Data Records: 3314
Min/Max Data Record:
Date: 1970 11 16
Latitude: -27.08660
Longitude: -116.90720
Bathymetry, 2- Way Traveltime: 010000
Bathymetry, Corrected Depth: 749.0
Magnetics Total Field, 1st Sensor: 307300
Magnetics Residual Field: -07500
Min/Max Data Record:
Date: 1970 12 02
Latitude: +27.50880
Longitude: -109.43160
Bathymetry, 2- Way Traveltime: 058874
Bathymetry, Corrected Depth: 4419.0
Magnetics Total Field, 1st Sensor: 433650
Magnetics Residual Field: +06200