A calibration required to normalize the response of each channel in spectral line observing mode. It is implemented in the Astronomical Image Processing System's BPASS command.
Synthesis Imaging Gibbs Phenomenon
References
Formalont, E. and Perley, R. "Calibration and Editing." Ch. 5 in Synthesis Imaging in Radio Astronomy: Third NRAO Summer School, 1988 (Ed. R. Perley, F. Schwab, and A. Bridle). San Francisco, CA: Astronomical Society of the Pacific, 1989.
