HAROLD MOTT, PhD, is Professor Emeritus of Electrical Engineering at the University of Alabama. Dr. Mott has carried out polarimetric-radar research for NASA and NRL, and has consulted extensively with the Army Missile Command on radar environmental modeling. He is the author of Polarization in Antennas and Radar and Antennas for Radar and Communications: A Polarimetric Approach (both published by Wiley).