Survey Description:
Survey Title:Abitibi MEGATEM (Xstrata) - P - Val d'Or
GSC Open File Number:5959  5960  5961  5962  5963  5964  5965  5966  5942  5943  5944  5945  5946  5947  5948  5949  5950  5951  5952  5953  5954  5955  5956  5957  5958  5967  5968  5969  5970  5971  5972  5973  5974  5975  5976  5977 
Survey Type:B-Field EM
Total Field Magnetic
Time Domain EM
Canadian Aeromagnetic Data Base Project Number:349
Canadian Aeromagnetic Data Base Part Number:16
Survey Start Date (YYYY-MM-DD):2002-12-01
Survey End Date (YYYY-MM-DD):2003-08-24
Data Acquisition:Digitally acquired
Platform:Fixed-wing aircraft
Survey Boundary:(47.79547,-77.37578)
Internal unsurveyed area: 
Flight Path Recording:Video
Survey Altitude Model:Mean terrain clearance (height above ground)
Flying Height (m):120.0
Traverse: Line Azimuth (degrees):25
Traverse: Line Spacing (m):200
Traverse: Total Kilometres:8427.0
Control: Line Azimuth:92
Control: Line Spacing (m):2000
Control: Total Kilometres:973.0
Diurnal Monitoring: Time Chord Length (sec):30.0
Diurnal Monitoring: Max. Deviation (nT):10.0
Magnetics: Sensor Make:Scintrex
Magnetics: Sensor Model:CS-2
Magnetics: Sensitivity (nT):0.0100
Magnetics: Resolution (nT):n/a
Magnetics: System:CESIUM
Magnetics: Hardware Config:single cell cesium vapour, sensor height 73 m
Vertical Gradiometer: Sensor Separation:n/a
Electromagnetics: Sensor Make:MEGATEM
Electromagnetics: Sensor Model:II
Electromagnetics: Hardware Config:20 channel multicoil system, 90 Hz, 131 m behind and 56 m below
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:Line direction: Extension block = 30 deg, N block = 25 deg, S block = 92 deg. ANOMALY2 = Fugro NC anomaly channel divided by 2.
Navigation Systems: Sensor:Global Positioning System

Channel Descriptions:
Name:Units:Null Value:Description:
LINE-99999999.0Line number
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)
DEMLEVm50000.0Levelled Digital Elevation Model / Topography (raw + corrections)
MAGRAWnT500000.0Raw magnetic total field (compensated, lagged, edited)
DIURNALnT500000.0Edited Diurnal / ground magnetics (main base)
MAGDIURnT500000.0Diurnal corrected magnetic total field
IGRFnT500000.0IGRF (International Geomagnetic Reference Field)
MAGRESnT500000.0Residual magnetic field
MAGTLCORnT500000.0Tie-line levelling corrections to mag
MAGTLLEVnT500000.0Tie-line levelled mag
MAGMLCORnT500000.0Micro-levelling/decorrugation corrections/adjustment
SRVMGRESnT500000.0Residual magnetic field, levelled to survey
VGRAWnT/km50000.0Raw vertical gradient (edited)
PRIMARYuV50000.0Primary field intensity (EM Total Field)
POWERLNEuV50000.0Power line monitor (EM noise monitor)
TEM_20_RXpT/s0.0Raw X-coil Time domain EM (channels 01-20), also called dB/dt X-coil
TEM_20_RYpT/s0.0Raw Y-coil Time domain EM (channels 01-20)
TEM_20_RZpT/s0.0Raw Z-coil Time domain EM (channels 01-20)
TEM_20_LXpT/s0.0Levelled X-coil Time domain EM (channels 01-20)
TEM_20_LYpT/s0.0Levelled Y-coil Time domain EM (channels 01-20)
TEM_20_LZpT/s0.0Levelled Z-coil Time domain EM (channels 01-20)
BEM_20_RXfT0.0Raw X-coil B-field EM (channels 01-20), also called db/dt X-coil
BEM_20_RYfT0.0Raw Y-coil B-field EM (channels 01-20)
BEM_20_RZfT0.0Raw Z-coil B-field EM (channels 01-20)
BEM_20_LXfT0.0Levelled X-coil B-field EM (channels 01-20)
BEM_20_LYfT0.0Levelled Y-coil B-field EM (channels 01-20)
BEM_20_LZfT0.0Levelled Z-coil B-field EM (channels 01-20)
CONDUCTmS50000.0(Apparent) Conductance, S = Siemens = mhos
TEE_BXZfT50000.0Total Energy Envelope from B-field X and Z-components
TAU_BXusec50000.0Decay constant (tau) for B-field X-component
TAU_BZusec0.0Decay constant (tau) for B-field Z-component
ANOMALY-50000.0Anomaly (letter, #, or indicator)
ANOMALY2-0.0Anomaly, 2nd method (letter, #, or indicator)
ANOMNAME-0.0Anomaly name
DATEyyyymmdd50000000.0Date of flight line
FLIGHT-500000.0Flight number
LINETYPE-99999999.0Line type. L=Traverse, T=Tie, B=Background line.
LINENAME-99999999.0Line name. An alpha-numeric string, or LINETYPE + LINE.
FX_BEM10fT0.0Filtered X-coil B-field EM (channel 10)
FX_BEM12fT0.0Filtered X-coil B-field EM (channel 12)
FX_BEM14fT0.0Filtered X-coil B-field EM (channel 14)
FX_BEM16fT0.0Filtered X-coil B-field EM (channel 16)
FX_BEM18fT0.0Filtered X-coil B-field EM (channel 18)
FX_BEM20fT0.0Filtered X-coil B-field EM (channel 20)
FZ_BEM10fT0.0Filtered Z-coil B-field EM (channel 10)
FZ_BEM12fT0.0Filtered Z-coil B-field EM (channel 12)
FZ_BEM14fT0.0Filtered Z-coil B-field EM (channel 14)
FZ_BEM16fT0.0Filtered Z-coil B-field EM (channel 16)
FZ_BEM18fT0.0Filtered Z-coil B-field EM (channel 18)
FZ_BEM20fT0.0Filtered Z-coil B-field EM (channel 20)
TAU2_BXZusec0.0Secondary Decay constant (tau) for B-field X and Z components
TAU2_BXusec0.0Secondary Decay constant (tau) for B-field X-component
FTAU2BXZusec0.0Secondary Decay constant (tau), filtered or edited, for B-field X and Z components
FTAU2BXusec0.0Secondary Decay constant (tau), filtered or edited, for B-field X-component