Survey Description:
Survey Title:Parrsboro
Country:CA
Province/Territory:NS
GSC Open File Number: 21338G  21339G  21340G  21341G  21342G  21343G  21344G  21345G  21346G  21347G  21348G  21349G  21350G  21351G  21352G  21353G  21354G  21355G  21356G  21357G  21358G  41338G  41339G  41340G  41341G  41342G  41343G  41344G  41345G  41346G  41347G  41348G  41349G  41350G  41351G  41352G  41353G  41354G  41355G  41356G  41357G  41358G  C21359G  C21360G  C21361G  C21362G  C21363G  C21364G  C21365G  C21366G  C41359G  C41360G  C41361G  C41362G  C41363G  C41364G  C41365G  C41366G 
Survey Type:Total Field Magnetic
Vertical Gradient of TF
Very Low Frequency
Canadian Aeromagnetic Data Base Project Number:189
Canadian Aeromagnetic Data Base Part Number:n/a
Survey Start Date (YYYY-MM-DD):1986-10-10
Survey End Date (YYYY-MM-DD):1987-06-25
Data Acquisition:Digitally acquired
Platform:Helicopter
Geoid:NAD27
Survey Boundary:(45.32222,-64.94722)
(45.36389,-64.94444)
(45.43472,-64.92083)
(45.50000,-64.81944)
(45.50000,-64.37500)
(45.62500,-64.37500)
(45.62500,-63.75000)
(45.68333,-63.75000)
(45.68333,-62.86667)
(45.50000,-62.86667)
(45.50000,-63.00000)
(45.43333,-63.00000)
(45.43333,-63.75000)
(45.39861,-63.75417)
(45.37361,-63.87778)
(45.37361,-63.92083)
(45.39861,-63.99028)
(45.37500,-63.99583)
(45.37917,-64.41528)
(45.39028,-64.50000)
(45.40556,-64.56667)
(45.38333,-64.66944)
(45.35694,-64.70833)
(45.31389,-64.70833)
(45.29028,-64.77778)
(45.34167,-64.81389)
(45.35278,-64.85000)
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:17157.0
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:OVERHAUSER
Magnetics: Sensor Model:SANDER GEOPHYSICS
Magnetics: Sensitivity (nT):0.0050
Magnetics: Resolution (nT):0.0200
Magnetics: System:CESIUM
Magnetics: Hardware Config:n/a
Vertical Gradiometer: Sensor Separation:3.00
Electromagnetics: Sensor Make:SANDER VLF EM II
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:n/a
Navigation Systems: Sensor:Visual

Channel Descriptions:
Name:Units:Null Value:Description:
TIMEsec500000.0Time (sometimes fiducial counter)
LATdeg5000.0Latitude
LONGdeg5000.0Longitude
MAGLEVnT500000.0Residual mag, levelled with surrounding surveys
SRVMGLEVnT500000.0Magnetic Total field, levelled to survey
MAGRAWnT500000.0Raw magnetic total field (compensated, lagged, edited)
IGRFnT500000.0IGRF (International Geomagnetic Reference 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