342 / | HD | COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) |
165 | TESTING OR CALIBRATING OF RADAR SYSTEM {5} | |
166 | DF | .~> Proximity fuze |
167 | DF | .~> With laser |
168 | DF | .~> With noise generation |
169 | DF | .~> By simulation {3} |
173 | DF | .~> By monitoring {1} |