W8JI Technical pages
- Amplifier, vacuum tube, receiving beverage loop vertical
and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.
EH antennas and CFA antenna
- Many antennas function because of common mode currents, rather than working in spite of them. Two popular examples are CFA and EH antennas. Another recent example, appearing in Antennex's compact antenna articles, is a thick stub "vertical
" with no counterpoise.