Core Modules# Calibration hifast.sep Temperature Calibration hifast.radec Coordinate Transformation 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 Operations (Doppler Correction, etc) Imaging hifast.cube Regridding Stray Radiation hifast.sr stray radiation correction