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The W8JK antenna design
- Invented by Dr. John D. Kraus, W8JK, in 1937, it uses two dipoles, both driven and out of phase with each other, to create a directional antenna no front to back ratio, though that works on six bands 20-17-15-12-10-6 meters and as a top loaded vertical on 40 meters
post 23 Dec 2024
Wire & Random Antenna Links →
An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters
A coaxial-cable trap dipole antenna installed in the attic provides a surprisingly effective solution to HF
Antenna dipolo
Il dipolo aperto e' l'antenna piu' semplice, la piu' economica, la piu' facile da costruire
Antenne per il radioascolto
Non sono considerate antenne, nel sensostretto del termine, i pezzi di filo
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A coaxial-cable trap dipole antenna installed in the attic provides a surprisingly effective solution to HF
Il dipolo aperto e' l'antenna piu' semplice, la piu' economica, la piu' facile da costruire
Non sono considerate antenne, nel sensostretto del termine, i pezzi di filo
PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic