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Una array 40 mt verticale
Nelle bande basse, per togliersi diverse soddisfazioni un sistema array di due verticali in fase puo' rappresentare un ottimo sistema, specialmente in banda 40 metri
post 01 May 2024
Antenna Vertical Links →
Antenne Verticale raccourcie 40/80m
Vertical antenna shortened 40 / 80m the radiating part of the antenna is constituted by a telescopic mast stayed. Capacitive cap
Screwdriver antenna basic
A Screwdriver is a motorized antenna that extends and retracts, shorting a coil, which adjusts the length of the antenna as it is tuned
BigIR assembly
Below includes a few pictures of my assembly process along with some updated notes and area that are going to be stumbling blocks for anyone trying to put one together
BigIR MK III Vertical with 80 meter coil
The antenna does well on all bands including 60 meters. The SWR is low enough that I don't need to use the antenna tuner
Butternut HF2V 40/80 Meter Vertical
I bought this antenna used, but in new condition, at the moment I'm using 40 radials 11 meters long
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Vertical antenna shortened 40 / 80m the radiating part of the antenna is constituted by a telescopic mast stayed. Capacitive cap
A Screwdriver is a motorized antenna that extends and retracts, shorting a coil, which adjusts the length of the antenna as it is tuned
Below includes a few pictures of my assembly process along with some updated notes and area that are going to be stumbling blocks for anyone trying to put one together
The antenna does well on all bands including 60 meters. The SWR is low enough that I don't need to use the antenna tuner
I bought this antenna used, but in new condition, at the moment I'm using 40 radials 11 meters long
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
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