Survey Identifier: RISP01BD


Format Acronym: MGD77
Data Center File Number: 15060029
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19800903
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V SPENCER F. BAIRD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): VON HERZEN R.
Project: RISEPAC LEG 1
Survey Departure Date (yyyymmdd): 19611027
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19611127
Port of Arrival: CALLAO,PERU
Navigation Instrumentation: CELESTIAL,MANUAL ENTRY GYRO SPEED
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/PDR RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: SCRIPPS MFD PROTON PRECESSION(VACQUIER)
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +31
Bottommost Latitude: -13
Leftmost Longitude: -119
Rightmost Longitude: -077
General Digitizing Rate of Bathymetry: 030
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 3 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 060
General Sampling Rate of Magnetics: 15
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: 10673

Min/Max Data Record:
Date: 1961 10 28
Latitude: -12.05390
Longitude: -118.85760
Bathymetry, 2- Way Traveltime: 004524
Bathymetry, Corrected Depth: 341.0
Magnetics Total Field, 1st Sensor: 284500
Magnetics Residual Field: -09800

Min/Max Data Record:
Date: 1961 11 27
Latitude: +30.10590
Longitude: -77.22430
Bathymetry, 2- Way Traveltime: 082874
Bathymetry, Corrected Depth: 6279.0
Magnetics Total Field, 1st Sensor: 475750
Magnetics Residual Field: +07150