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Build a 5/8 Wave Colinear J Pole Antenna


12 AWG solid copper wire, a section of plexi-glass sheet, some zip ties and a fishing pole I have a great emergency antenna for 2 meters
post 10 Apr 2024
Build a 5/8 Wave Colinear J Pole Antenna

Antenna jpole Links

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The 450 OHM Ladder Line Slim Jim Antenna
Want to homebrew an antenna for 2M? Want something that actually works well

The J-pole antenna
The J-440, a very simple J-pole gain antenna for the 440 to 450 MHz band

The Original Slim Jim the


Take off angle of horizontal antenna

Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

Calculo da Antena Bazooka

Calculo da Antena Bazooka A double bazooka antenna is a combination that has a complete coaxial wave multiplied by its velocity factor and a total end-to-end length of 1/4 wave for each side affected by another driver shortening facto