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Dipolo accorciato per 40 80m


La sintonizzazione dovrebbe iniziare sulla sezione 40m con una distanza di 10,5 m
post 28 May 2024
Dipolo accorciato per 40 80m

Antenna Multibands Links

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Building short trap dipole
a QST article for a short 40, 80 and 160 meter trap dipole, I decided to pursue construction of this antenna, and bend the 160 meter end wire, if necessary to fit into the yard

Antena para 40 e 80 metros tipo W3DZZ
This antenna is equivalent to a simple dipole in 40 meters, since the traps are equivalent to an insulator

Three Double-Extended Zepps
The antenna can also be powered with a 300 ohm TV two-wire line, but it is preferable that the power supply is via a stub

Windom
Adattare l'impedenza della discesa a 50 ohm con il valore tipico di questa antenna, che sia aggira intorno ai 300 ohm

Dual band Antenna 80/40 loaded coil inverted V
Antenna 40-80m, inverter "V" SWR results are quite good at 3.799


Linear-loaded-short-dipole-21mhz

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

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

A simple SWR Meter is to be used at HF

A simple SWR Meter is to be used at HF An SWR meter provides information about how well matched is your antenna with the transmitter and how well power is being radiated