Calibration – Height Attenuation And Sensitivities
Height Attenuation and Sensitivities (Calibration Range) calibration aliases and parameters control file
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// ALIASES
spectraDownName spectrum // downward-looking spectra
livetimeName liveTime // live time (secs)
altimeterName altitude // altimeter
temperatureName temperature // temperature
pressureName pressure // pressure
// PARAMETERS
useSumSpecEncal 1 // 0 – do encal on individual lines
// 1 – use sum spec of all lines for encal
encalMethod 2 // 1-automatic (cross-correlation) 2-manual(peak identification)
thoriumPeakChannel 222 // channel number at thorium photopeak maximum
calibrationPeakEnergy 0.609 // calibration peak energy
calibrationPeakEnergy 1.460 // calibration peak energy
calibrationPeakEnergy 2.614 // calibration peak energy
alphaStrip 0.3098 // stripping ratio at ground level – alpha
betaStrip 0.3830 // stripping ratio at ground level – beta
gammaStrip 0.8381 // stripping ratio at ground level – gamma
ainverseStrip 0.06 // stripping ratio at ground level – a
alphaChangePerMetre 0.00049 // change (/m) with height above ground – alpha
betaChangePerMetre 0.00065 // change (/m) with height above ground – beta
gammaChangePerMetre 0.00069 // change (/m) with height above ground – gamma
calRangeConc_k 2.0 // average K concentration of the calibration range
calRangeConc_u 2.5 // average U concentration of the calibration range
calRangeConc_t 9.5 // average Th concentration of the calibration range
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