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Complete guide to build Jpole antennas with online dimensions calculator.

J-pole Design Program V1.1 by WA2ISE Download a VHF twinlead Jpole antenna calculator MSDOS program

How to make a simple but effective Slim Jim antenna. It includes a calculator to work out all the mesurements for the frequency you require.

An online J-Pole antenna calculator that need just to input the frequency and calculates in inch size of each element

Online calculator for J-Pole antennas. The J-pole antenna consists of a short and a long vertical pole with a feed point near the bottom. The antenna looks like the letter J, hence the name J-pole antenna.

The J-pole antenna calculator helps users design custom J-pole antennas for specific frequency bands. It provides dimensions for key antenna sections based on the chosen frequency and material’s velocity factor. The calculator also offers insights into J-pole antenna mechanics, velocity factors, and mounting tips, making it ideal for enthusiasts creating antennas for amateur or mobile radio communications.

Online antenna calculator for J-Pole models.

This page provides a detailed guide on the J-pole antenna, an end-fed half-wave antenna matched to the feedline by a quarter-wave transmission line stub. It covers the characteristics, construction materials, feeding options, and mounting considerations for optimal performance. The information is useful for hams or amateur radio operators looking to build and set up a J-pole antenna for improved transmission and reception.