ELECTRONIC APPARATUS, AND COMPONENTS THEREOF, FOR RECEIVING AND/OR TRANSMITTING ELECTROMAGNETIC ENERGY, INCLUDING RADAR SYSTEMS AND PARTS THEREOF-NAMELY, TRANSMITTERS, RECEIVERS, TRANSPONDERS, RADOMES, ANTENNAS AND ANTENNA SYSTEMS, POWER SUPPLIES, ANALYZERS, CALIBRATORS , FILTERS, PULSE GENERATORS AND STRETCHERS, SCANNERS, CORRECTION DEVICES, IMPEDANCE MODULES, SWEEP-GENERATOR CARDS, AUGMENTERS, RADAR BEACONS, AND TELEMETRY APPARATUS