Survey Identifier: PIQR05WT


Format Acronym: MGD77
Data Center File Number: 15040024
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19800304
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: PIQUIERO LEG 5
Survey Departure Date (yyyymmdd): 19690314
Port of Departure: CALLAO,PERU
Survey Arrival Date (yyyymmdd): 19690417
Port of Arrival: CALLAO,PERU
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
Topmost Latitude of Survey: -08
Bottommost Latitude: -28
Leftmost Longitude: -111
Rightmost Longitude: -077
General Digitizing Rate of Bathymetry: 150
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 060
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: 5334

Min/Max Data Record:
Date: 1969 03 14
Latitude: -27.03750
Longitude: -110.64660
Bathymetry, 2- Way Traveltime: 001750
Bathymetry, Corrected Depth: 131.0
Magnetics Total Field, 1st Sensor: 280500
Magnetics Residual Field: -08050

Min/Max Data Record:
Date: 1969 04 17
Latitude: -8.95160
Longitude: -77.45230
Bathymetry, 2- Way Traveltime: 079124
Bathymetry, Corrected Depth: 5984.0
Magnetics Total Field, 1st Sensor: 352150
Magnetics Residual Field: +05600