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A Linear Loaded Vertical antenna for 40mt and 80mt


The vertical antenna looks to be the perfect low angle radiator, except for one thing the height of a 1/4 l at 80 metres is 20 metres, or 66 feet, which is not practical to construct
post 15 Feb 2024
A Linear Loaded Vertical antenna for 40mt and 80mt

Antenna 40 Meter Links

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The Half Square Antenna
The antenna is built using stranded, black electrical wire

Antenas encurtadas tipo rigido com bobinas de compensacao
An antenna is intended to work in the 40-meter directional Yagi type cut to the frequency of 7,010 to 7,100 MHz, with a length of 4 meters. per element and with the deployment of a coil at 2 meters. from the center

Battle creek special 40/80mhz
The Battle Creek Special is a 3-Band-vertical Marconi-antenna for the bands 40 m/80m/160m

Compact only 9m dipole for 40m band
Total length only 9m40 about less than a 20m dipole, It is a center loaded antenna

Dipole short V rotable for 7 mhz
Dipole short " V " rotable Lower vertical elevation angle for about 10 degrees 2 fishing rods with 7 m long, I created a dipole for 7 MHz


Antenna switch arduino for icom IC-7300

Antenna switch arduino for icom IC-7300 A solution built around an arduino nano and one of the readily available four relay switching boards

Satellite Antenna Rotator Controller and TRACker

Satellite Antenna Rotator Controller and TRACker ARCTRAC is a portable integrated satellite tracking system

Duplexer 2m-70cm

Duplexer 2m-70cm- Usare un'antenna bibanda 2/70 con due radio separate V/UHF, usare due antenne separate V/UHF con una singola radio bibanda