What is "dipoles"

Usage examples of "dipoles".

The machine now uses eighty-eight hundred of the new five-centimeter aperture dipoles and needs an extra kilometer or so of tunnel.

The dipoles are all fed by open wire feeders which can be remotely switched to enable radiation in two directions 180 degrees apart.

At the top of the mast the dipoles had disappeared and the whip antennas were bent at ninety degrees.

Expensive equipment was often marked with tiny dipoles, and getting caught with a missing man's toys was an error too stupid for serious consideration.