continpars -- Edit continuum subtraction parameters
       filtpars -- Edit the filter function parameters
	  fxcor -- Radial velocities via Fourier cross correlation
       keywpars -- Translate the image header keywords used in RV package
      rvcorrect -- Compute radial velocity corrections
      rvidlines -- Measure radial velocities from spectral lines
    rvreidlines -- Reidentify spectral lines and measure radial velocities