343 / | HD | COMMUNICATIONS: RADIO WAVE ANTENNAS |
700 R | DF | ANTENNAS {58} |
850 | DF | .~ With coupling network or impedance in the leadin {9} |
860 | DF | .~.~ Impedance matching network {2} |
862 | .~.~.~ Including long line element {2} | |
863 | DF | .~.~.~.~> Tapered |
864 | DF | .~.~.~.~> Quarter-wave transformer |