Survey Identifier: PGCPZ811
Format Acronym: MGD77
Data Center File Number: 12090007
Parameters Surveyed Code: 55331
File Creation Date (yyyymmdd): 19831128
Source Institution: GEOL.SURV.CANADA/PACIFIC GEOSCIENCE CNT
Country: CANADA
Platform Name: CSS PARIZEAU
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): R.G.CURRIE/R.P.RIDDIHOUGH
Project: NATURAL RESOURCE CHARTING 1981 WEST OF QUEEN CHARLOTTES
Funding: CANADIAN GOVERNMENT
Survey Departure Date (yyyymmdd): 19810722
Port of Departure: VICTORIA, CANADA
Survey Arrival Date (yyyymmdd): 19810812
Port of Arrival: VICTORIA , CANADA
Navigation Instrumentation: RHO-RHO LORAN C/SAT
Geodetic Datum/Position: PRIM-LORAN C, SEC-SATELLITE
Bathymetry Instrumentation: 12.0 KHZ,RAYTHEON PTR,EPC REC,25DEG BEAM
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: PROTON PRECESSION BARRINGER OM-104
Additional Forms of Magnetics Data: ANALOGUE RECORDS
Topmost Latitude of Survey: +55
Bottommost Latitude: +50
Leftmost Longitude: -140
Rightmost Longitude: -128
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 01
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Magnetic Sensor Tow Distance: 200
Sensor Depth: 100
Reference Field Code: 04
Reference Field: IGRF 75
Method of Applying Residual Field: FRIEDLAENDER 4TH DEGREE POLY OVER 6DEG SQUARE
Number of Data Records: 27839
Min/Max Data Record:
Date: 1981 07 22
Latitude: +50.72380
Longitude: -139.02960
Bathymetry, 2- Way Traveltime: 000279
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 542370
Magnetics Residual Field: -03700
Min/Max Data Record:
Date: 1981 08 12
Latitude: +54.68979
Longitude: -128.06900
Bathymetry, 2- Way Traveltime: 059799
Bathymetry, Corrected Depth: 4476.0
Magnetics Total Field, 1st Sensor: 576750
Magnetics Residual Field: +13760