Survey Description:
Survey Title:Atlin
GSC Open File Number:4091  4092  4093  4094  4095  4096  4097  4098  4099  4100  4101  4102  4103  4104  4105  4106 
Survey Type:Total Field Magnetic
Canadian Aeromagnetic Data Base Project Number:291
Canadian Aeromagnetic Data Base Part Number:n/a
Survey Start Date (YYYY-MM-DD):2000-09-10
Survey End Date (YYYY-MM-DD):2001-03-15
Data Acquisition:Digitally acquired
Platform:Fixed-wing aircraft
Survey Boundary:(59.00000,-134.00000)
Internal unsurveyed area: 
Flight Path Recording:Video
Survey Altitude Model:Mean terrain clearance (height above ground)
Flying Height (m):200.0
Traverse: Line Azimuth (degrees): 45
Traverse: Line Spacing (m):500
Traverse: Total Kilometres:26366.0
Control: Line Azimuth: 135
Control: Line Spacing (m):3000
Control: Total Kilometres:4384.0
Diurnal Monitoring: Time Chord Length (sec):n/a
Diurnal Monitoring: Max. Deviation (nT):n/a
Magnetics: Sensor Make:Geometrics
Magnetics: Sensor Model:G822A
Magnetics: Sensitivity (nT):0.0010
Magnetics: Resolution (nT):0.0100
Magnetics: System:CESIUM
Magnetics: Hardware Config:n/a
Vertical Gradiometer: Sensor Separation:n/a
Electromagnetics: Sensor Make:n/a
Electromagnetics: Sensor Model:n/a
Electromagnetics: Hardware Config:n/a
VLF: Line Station:n/a
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:Grid only Traverse lines.
Navigation Systems: Sensor:Global Positioning System

Channel Descriptions:
Name:Units:Null Value:Description:
TIMEsec500000.0Time (sometimes fiducial counter)
RALTRAWm50000.0Raw Radar altitude (Terrain Clearance)
RALTm50000.0Radar altitude (Terrain Clearance)
BALTRAWm50000.0Raw Barometric altitude
BALTm50000.0Barometric altitude
GPSALTRm50000.0Raw GPS altitude
GPSALTm50000.0GPS altitude (edited) above MSL (mean sea level) (i.e. orthometric)
DEMTLCORm50000.0Digital Elevation Model tie line levelling corrections
DEMLEVm50000.0Levelled Digital Elevation Model / Topography (raw + corrections)
MAGUNCOMnT500000.0Raw Uncompensated, unlagged magnetic total field
MAGCOMnT500000.0Raw Compensated, unlagged, un-edited magnetic total field
MAGRAWnT500000.0Raw magnetic total field (compensated, lagged, edited)
DIURNCORnT500000.0Diurnal correction (combined ground mag) -- input into levelling
ALTCORnT500000.0Altitude correction TO magnetic total field
MAGTLCORnT500000.0Tie-line levelling corrections to mag
FILTCORnT500000.0Noise (filter) correction to TF mag
MAGMLCORnT500000.0Micro-levelling/decorrugation corrections/adjustment
SRVMGLEVnT500000.0Magnetic Total field, levelled to survey
MAGLEVnT500000.0Residual mag, levelled with surrounding surveys
DIURNALnT500000.0Edited Diurnal / ground magnetics (main base)
DIURNAL2nT500000.0Edited Diurnal / ground magnetics (remote base 2)