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J-pole 145 mhz vhf antenna


Cut the 20mm pipe in two part: 150cm and 50cm; in the same way cut the 16mm pipe: 60cm and 20cm; join the pipes at the following way
post 29 Jan 2024
J-pole 145 mhz vhf antenna

Antenna jpole Links

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J-pole 144
L'antenna cosi' realizzata risuona a circa 145 Mhz con un ROS di 1-1.1 e una larghezza di banda (ROS 1,5) di circa 8 MHz

J-Pole Antenna Plans
The J-Pole antenna is fundamentally an end-fed 1/2-wavelength antenna that uses a 1/4-wavelength long transformer section to supply the very high feed voltage

J-Pole Antenna
The connection point of the coax on the twinlead was found experimentally

J-Pole Antennas for 2 Meters
Two types of 2 meter J-Pole antennas, one made of copper pipe and a roll-up J-pole made of TV twin lead


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