Survey Identifier: PIQR06WT
Format Acronym: MGD77
Data Center File Number: 15040025
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): VACQUIER V.
Project: PIQUIERO LEG 6
Survey Departure Date (yyyymmdd): 19690423
Port of Departure: CALLAO,PERU
Survey Arrival Date (yyyymmdd): 19690520
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: -12
Bottommost Latitude: -26
Leftmost Longitude: -101
Rightmost Longitude: -070
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: 5333
Min/Max Data Record:
Date: 1969 04 23
Latitude: -25.02830
Longitude: -100.98830
Bathymetry, 2- Way Traveltime: 001300
Bathymetry, Corrected Depth: 97.0
Magnetics Total Field, 1st Sensor: 256800
Magnetics Residual Field: -04350
Min/Max Data Record:
Date: 1969 05 20
Latitude: -12.16100
Longitude: -70.88330
Bathymetry, 2- Way Traveltime: 092900
Bathymetry, Corrected Depth: 7057.0
Magnetics Total Field, 1st Sensor: 309850
Magnetics Residual Field: +03400