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Super J-Pole Collinear


The central hairpin separating the two 5/8, can be made with 4 mm2 hard copper wire or even with a piece of copper serpentine
post 14 Feb 2024
Super J-Pole Collinear

Antenna Calculator Links

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WiFi Antenna Calculators
Enter the diameter of your can above and click on the calculate button. 802.11b and 802.11g WiFi networking equipment

Wireless 2.4 GHz Directional Antenna Calculator
Low Cost Home Brew Waveguide Antenna For 802.11b Wireless Networks And Other 2.4GHz Applications

802.11b Horn Antenna Designer calculator.Frequency
This page just helps to compute cutouts to build horns inside boxes


40m Compact 4-Square Antenna

40m Compact 4-Square Antenna Compact 4-Square Antenna – EA5AVL The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band

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