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J-Pole for 144-146 MHz

Sia in VHF che in UHF l' SWR e' circa 1:1 sulla porzione di banda che mi interessa

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J-Pole for 144-146 MH

Antenna jpole Links

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Antena OSJ dual band VHF / UHF com um cabo
It consists of a half-wave dipole element, which instead of being fed from the center as is more common is fed from one end in this case, the bottom

Antena J-Pole para 146 MHz, 220 MHz, 440 MHz
The antenna, is designed entirely in bronze pipes and the longest rod point A + C, has a total length of 2 Mts 44 cms

Antenne en J alimentee par un cable coaxial
Like the model supplied by a two-wire line, it consists of a radiating element of half-wave length attacked at its lower end by a quarter-wave line

J-antenna supplied by a two-wire line
The J antenna, so called because of its shape, is generally used on 2m and 70cm, even 23 cm and 6m

Antenne verticale VHF Slim-Jim
The Slim-Jim vertical antenna is of the 1/2 wave type supplied at the end end fed and therefore does not require a ground plane unlike a 1/4 wave type antenna


Noise suppression with X-phase II

Noise suppression with X-phase II This device similar devices are known as QRM eliminators or noise killers, makes it possible

The K9AY loop antenna for 160 and 80m bands

The K9AY loop antenna for 160 and 80m bands You don't have the space to put up a 4 beverage antenna's, an ewe or a 4-square and want 'good ears' on 160 and 80m? no problems try a k9ay loop antenna

Spiderbeam 10-15-20m

Spiderbeam 10-15-20m E' una Yagi tribanda full-size leggera, fatta di tubi in vetroresina e filo