Survey Description:
Survey Title:Kenora/Fort Frances
Country:CA
Province/Territory:ON
GSC Open File Number:1824  21416G  21417G  21418G  21419G  21420G  21421G  21422G  21423G  21424G  21425G  21426G  21427G  21428G  21429G  21430G  21431G  21432G  21433G  21434G  21435G  21436G  21437G  21438G  21439G  21440G  21441G  21442G  21443G  21444G  41416G  41417G  41418G  41419G  41420G  41421G  41422G  41423G  41424G  41425G  41426G  41427G  41428G  41429G  41430G  41431G  41432G  41433G  41434G  41435G  41436G  41437G  41438G  41439G  41440G  41441G  41442G  41443G  41444G  C21445G  C21446G  C21447G  C21448G  C21449G  C21450G  C21451G  C21452G  C21453G  C21454G  C41445G  C41446G  C41447G  C41448G  C41449G  C41450G  C41451G  C41452G  C41453G  C41454G 
Survey Type:Total Field Magnetic
Vertical Gradient of TF
Very Low Frequency
Canadian Aeromagnetic Data Base Project Number:176
Canadian Aeromagnetic Data Base Part Number:n/a
Survey Start Date (YYYY-MM-DD):1987-06-06
Survey End Date (YYYY-MM-DD):1988-08-05
Data Acquisition:Digitally acquired
Platform:Fixed-wing aircraft
Geoid:NAD27
Survey Boundary:(49.35000,-95.15556)
(49.78333,-95.15556)
(49.78333,-94.25000)
(49.62500,-94.25000)
(49.62500,-94.00000)
(49.50000,-94.00000)
(49.50000,-93.83333)
(49.25000,-93.83333)
(49.25000,-93.00000)
(49.06667,-93.00000)
(49.06667,-93.50000)
(49.00000,-93.50000)
(49.00000,-93.75000)
(49.12500,-93.75000)
(49.12500,-94.12500)
(49.37500,-94.12500)
(49.37500,-94.25000)
(49.45833,-94.25000)
(49.45833,-94.62500)
(49.35000,-94.62500)
Internal unsurveyed area: 
Flight Path Recording:Film
Survey Altitude Model:Mean terrain clearance (height above ground)
Flying Height (m):150.0
Traverse: Line Azimuth (degrees): 0
Traverse: Line Spacing (m):300
Traverse: Total Kilometres:21288.0
Control: Line Azimuth: 90
Control: Line Spacing (m):5000
Control: Total Kilometres:n/a
Diurnal Monitoring: Time Chord Length (sec):n/a
Diurnal Monitoring: Max. Deviation (nT):n/a
Magnetics: Sensor Make:VARIAN
Magnetics: Sensor Model:SCINTREX
Magnetics: Sensitivity (nT):0.0050
Magnetics: Resolution (nT):0.0200
Magnetics: System:CESIUM
Magnetics: Hardware Config:VIM 2321 A1,A2
Vertical Gradiometer: Sensor Separation:1.83
Electromagnetics: Sensor Make:n/a
Electromagnetics: Sensor Model:n/a
Electromagnetics: Hardware Config:n/a
VLF: Line Station:NAA CUTLER MAINE
Spectrometry: Sensor Make:n/a
Spectrometry: Sensor Model:n/a
Spectrometry: Recording Frequency (Hz):n/a
Spectrometry: Main Detector Volume (l):n/a
Spectrometry: Upward Detector Volume (l):n/a
Spectrometry: Sensor Height (m):n/a
Comments:SUBCONTRACTOR GEOTERREX LTD.
Navigation Systems: Sensor:Visual

Channel Descriptions:
Name:Units:Null Value:Description:
TIMEsec500000.0Time (sometimes fiducial counter)
LATdeg5000.0Latitude
LONGdeg5000.0Longitude
MAGRAWnT500000.0Raw magnetic total field (compensated, lagged, edited)
SRVMGLEVnT500000.0Magnetic Total field, levelled to survey
IGRFnT500000.0IGRF (International Geomagnetic Reference Field)
MAGRESnT500000.0Residual magnetic field
DIURNALnT500000.0Edited Diurnal / ground magnetics (main base)
VGLEVnT/m50000.0Levelled vertical gradient
VGADJnT/m50000.0Adjustment to vertical gradient
RALTm50000.0Radar altitude (Terrain Clearance)
BALTm50000.0Barometric altitude
VLF_LTFmV50000.0VLF-EM line total field
VLF_OTFmV50000.0VLF-EM ortho total field
VLF_LQmV50000.0VLF-EM line quadrature
VLF_OQmV50000.0VLF-EM ortho quadrature