Core Modules# Calibration hifast.sep Temperature Calibration hifast.radec Coordinate Calculation hifast.flux Flux Calibration hifast.bld Baseline Fitting hifast.ref off-source subtraction hifast.rfi RFI flagging hifast.sw Standing Wave Removal hifast.multi Multi-step Processing (Doppler Correction, etc) Imaging hifast.cube Spectral Cube Regridding Stray Radiation hifast.sr stray radiation correction