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Antena Vhf J Pole

J Pole Antenna Google Search Ham Radio Antenna Ham Radio Radio

J Pole Antenna Google Search Ham Radio Antenna Ham Radio Radio

J Pole Antennas Ham Radio Ham Radio Antenna Antennas

J Pole Antennas Ham Radio Ham Radio Antenna Antennas

J Pole Calculator Just Enter The Frequency And Get The

J Pole Calculator Just Enter The Frequency And Get The

Design Your Own Super J Pole

Design Your Own Super J Pole

Pockrus J Pole Ham Radio Equipment Ham Radio Antenna Ham Radio

Pockrus J Pole Ham Radio Equipment Ham Radio Antenna Ham Radio

Pockrus J Pole Ham Radio Equipment Ham Radio Antenna Ham Radio

Pockrus J Pole Ham Radio Equipment Ham Radio Antenna Ham Radio

Pockrus J Pole Ham Radio Equipment Ham Radio Antenna Ham Radio

Antena j vhf uhf the copper cactus j pole vhf uhf by john post ke7ax.

Antena vhf j pole. La normale j pole per i 2 metri potrebbe risuonare in armonica anche in. It is likely that any real world tests that show the slim jim to have better low angle. Os paso el gráfico de roe la carta de smith y más datos de una antena antenna j pole vhf para la banda de 2m en 144 mhz analizado con el minivna pro a 2 metros del suelo. Swr 145 146 mhz 1 5 swr 430 440 mhz 1 6 le dimensioni di a b e c sono nella tabella sottostante.

The j pole antenna s long and storied design history is due for one more chapter to mitigate the longstanding mast current and reliability issues. El libro sobre antenas de la arrl describe dos configuraciones de la antena j pole. Una conectada directamente a una línea de baja impedancia 50 ohmios y otra alimentada con una línea abierta de 200 a 600 ohmios. There are many rumours on the internet claiming that the slim jim has better performance than the j pole.

L esemplare realizzato è una fotocopia della j pole arrows ditta americana. Categories antennas tags inductance j pole simulation stub uhf vhf. For 2 meters the coil is 4 turns of coax at 5 inches in diameter. See more ideas about antenna ham radio antenna ham radio.

On most of the j pole designs out there a choke should be used as close to the feedpoint of the antenna as possible to help prevent rf on the feedline and creating difficulty with swr readings. La j pole è stata costruita per avere una compatta antenna da mettere sul balcone e poterla sfruttare per il cluster locale come si può vedere dalla figura non ha bisogno di radiali di massa quindi risulta essere molto comoda e portatile. Un talón de la versión libre y una versión de corto trozo. La figura 1 muestra las dos configuraciones.

Sencilla antena j para 2 metros aislada de tierra fabricada con un caño de pvc de 40 mm x 2 mm de espesor de pared y caño aluminio de 9 5 mm. Detalhe do ponto de alimentação soldar o conector no lado menor da antena. John huggins kx40 covers this question on this page. Il 2 mj pole può essere utilizzato su 70cm anche con un swr 1 6.

Il j pole per vhf e uhf costruito con 240 ohm o 300 ohm twinlead le lunghezze sono per 145 mhz e 435 mhz. Jan 15 2019 explore jafitek s board j pole antenna on pinterest. Slim jim vs j pole. Todas as medidas estão em polegadas.

Pin On Antennas

Pin On Antennas

Homebrew J Pole Tuned For 89mhz In The Fm Broadcast Band

Homebrew J Pole Tuned For 89mhz In The Fm Broadcast Band

J Pole Antenna Handbook Home Page Ham Radio Antenna Ham Radio

J Pole Antenna Handbook Home Page Ham Radio Antenna Ham Radio

Pin On Ham Radio

Pin On Ham Radio

The J Pole Antenna Build One For The Hf Bands 17 15 12 Or

The J Pole Antenna Build One For The Hf Bands 17 15 12 Or

Ham Equipment Ham Radio Ham Radio Antenna Radio

Ham Equipment Ham Radio Ham Radio Antenna Radio

Design Your Own Super J Pole Ham Radio Antenna Ham Radio Antenna

Design Your Own Super J Pole Ham Radio Antenna Ham Radio Antenna

J Pole Antennas For 2 Meters Ham Radio Radio Antenna Ham Radio

J Pole Antennas For 2 Meters Ham Radio Radio Antenna Ham Radio

Antenna Page Ham Radio Ham Radio Antenna Radio Antenna

Antenna Page Ham Radio Ham Radio Antenna Radio Antenna

Antena Osj Bibanda Vhf Uhf Ham Radio Antenna Ham Radio Radio

Antena Osj Bibanda Vhf Uhf Ham Radio Antenna Ham Radio Radio

Open Stub J Pole Project Completed Many Times Ham Radio

Open Stub J Pole Project Completed Many Times Ham Radio

V Uhf Dual Band J Pole Antenna Ham Radio Antenna Radio Antenna

V Uhf Dual Band J Pole Antenna Ham Radio Antenna Radio Antenna

Pin On Ham Radio

Pin On Ham Radio

Pin On Ham Radio

Pin On Ham Radio

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