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15-40-80mt Dipole
I have this balun installed on all my coax feeders
post 29 Jan 2024
Wire & Random Antenna Links →
Antenna filare aperiodica
Principalmente in ricezione e su tutte le gamme radioamatoriali ma anche piu' in basso
zeppelin-antenna-2-band-hf
Electrically the zepp antenna has two parts a half-wave radiator end-fed by a quarter-wave matching section connected to the radio
Building a Longwire antenna
Initially tried to just throw up a length of wire, stretch it out across the garden
Carolina windom bands 20, 17, 15, 12 and 10
127
Principalmente in ricezione e su tutte le gamme radioamatoriali ma anche piu' in basso
Electrically the zepp antenna has two parts a half-wave radiator end-fed by a quarter-wave matching section connected to the radio
Initially tried to just throw up a length of wire, stretch it out across the garden
Linear loaded short dipole 21Mhz For my amateur radio activities on the HF bands I only have a 3.6 m wide balcony available for antennas. After some study I decided to experiment with a shortened dipole for the 15 m band
Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m
Atu balanced feeder antenna system An ATU has the advantage of bringing the feeder-antenna system to resonance, act as a band pass filter both on receive and transmit and a low SWR