| 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 |