Antennas; Antenna systems; Antenna systems, namely, transmitters, receivers, feed horns, arrays, active arrays, passive arrays, filters, switches, monopulse comparators, radomes, and circulators; Radio Frequency components, namely, transmitters, receivers, feed horns, arrays, active arrays, passive arrays, filters, switches, monopulse comparators, radomes, and circulators as individual units or as assemblies of more than one unit; Radio Frequency components, namely, radiating elements, polarizers, orthomode transducers, corporate feed network; Motors for antennas and antenna systems; Controllers for antennas and antenna systems; Tracking cards in the nature of maximizing received signals for antennas and antenna systems; Amplifiers for antennas and antenna systems; Limiters in the nature of dissipating excess RF energy above safe thresholds for antennas and antenna systems; Electronic Field Programmable Gate Arrays for antennas and antenna systems; Microcontrollers for antennas and antenna systems; Power supplies for antennas and antenna systems; Pedestals being parts of antennas and antenna systems; Gearing being parts of antennas and antenna systems; Heat sinks being parts of antennas and antenna systems