WebWe do more than roofs!Constructing this one-of-a-kind pole building and matching reskin was no problem for our team. For this unique design, we built a pavil... http://n5dux.com/ham/files/pdf/6m%20J-Pole.pdf
Build and Review – Dual Band J-Pole 144/440Mhz - N4NRV
WebMost builders use an air wound choke made from 50 ohm coax at the bottom of the antenna. About 4 to 6 coils of coax formed into a circle usually does the job. In this article you will … WebDrill a 1/4" hole at the place where the "J" goes. Make the "j"out of 1/4" soft copper, Solder it in place thru the hole and add the cable. Cost about $6 using new parts. If you need a … redbubble wordpress integration
Building a Copper J-Pole Antenna For VHF or CB. - YouTube
WebMar 28, 2024 · Thread first, letting the die work its way square. Continue until you have the required .5″ or .75″ of clean, square threads. After that, cut off the messy threads at the beginning (put on a nut first to clean the … Webfor 1/2 inch copper pipe J-Pole antennas. We will use this wavelength equation for all of our calculations. For a 2 meter f = 146 MHz J-Pole antenna, the 1/2 wavelength radiating section (Section A) is equal to. A = 0.5 L = 0.5 (11244 / 146) = 38.5 inches. and the 1/4 wavelength stub section (Section B) is equal to. WebI build my J Pole antennas as a J and mount them insulated from any mast. Here is a working 4m Slim Jim constructed out of 450Ω feeder, the stuff … redbubble wordpress plugin