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Build a J-Pole Antenna


If the antenna is six meters long, the length of the wire should be approximately 10 to 12 inches long. If our antenna is two meters long, the length of the wire will be 8 inches less overall
post 27 Jan 2024
Build a J-Pole Antenna

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


Morse-practice-codice-morse

Morse Practice codice morse Morse Practice is an application as an aid to learning Morse code

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

Microphone boom headset for the FT-897

Microphone boom headset for the FT-897 Boom length m. 5.24-fiberglass spreaders m. 2.95-loops dimensions m. 2.00 x 4.27 with 5.00 m