CAT - Central Alberta Transect Acquisition parameters Contractor: Veritas Geophysical Ltd. Recorded: 1992 Source: 4 Vibs, 14 s 10-56 Hz sweep, 8 sweeps/VP Receivers: 14 Hz, 9 per group Instrumentation: 240 channel I/O system 1 Recording: 18 s at 4 ms sample rate, SEGD on 9-track tape Spread: 50 m station spacing, 100 m source spacing, 60-180 split, 60 fold Processing Contractor: Pulsonic Geophysical Ltd. Demultiplex, display and edit Geometry: straight line AGC: 500 ms Minimum phase correction Deconvolution: designature Spectral balance CDP sorting Refraction statics: to 900 m, Replacement velocity 3000 m/s Residual statics: 0.6-2 s window, +/- 30 ms Velocity analysis NMO correction First break mute Stack FX deconvolution Time-variant scaling Time-variant Bandpass filter Trace balance