342 / | HD | COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) |
52 | ![]() | COMBINED WITH DIVERSE TYPE RADIANT ENERGY SYSTEM {6} |
53 | DF | .~> With infrared device |
54 | DF | .~> With laser |
55 | DF | .~> With television |
56 | DF | .~> With direction finding |
57 | DF | .~> With radio voice communication |
58 | DF | .~> With transmission to a remote station |