Design and Implementation of the wvrgcal Program
  This memo describes the software engineering and technical details of the design and implementation of the wvrgcal program and associated libraries. This program performs off-line correction of atmospheric phase fluctuations in ALMA observations, using the 183 GHz Water Vapour Radiometers (WVRs) installed on the ALMA 12 m dishes. The memo can be used as a guide for detailed study of the source code of the program for purposes of further development or maintenance. 
Bojan Nikolic and Sarah F. Graves and Rosie C. Bolton and John S.   Richer
astro-ph.IM