1. A common example is the half-wave dipole . 2. The ordinary half-wave dipole is probably the most widely used antenna design. 3. A half-wave dipole has an effective area of 0.13 \ lambda 2. 4. AO-6 had a 1.3 watt transmitter into a half-wave dipole antenna. 5. Near the rear is a single active element, typically a half-wave dipole or folded dipole. 6. Such antenna designs, although based on the half-wave dipole , generally acquire their own names. 7. Separate, rotatable antennas with stacked pairs of full-wave dipoles were used for transmitting and receiving. 8. This has been computed for two exact half-wave dipole elements at various spacings in the accompanying graph. 9. Short dipoles are used in applications where a full half-wave dipole would be too long and cumbersome. 10. Simple half-wave dipole antenna for VHF or UHF loop antennas that are made to be placed receiver.