Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary. The dimensions arenít typical however, this is what it took to get its SWR low.
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About 440 Mhz J-Pole Antenna plansThis resource is listed in dxzone.com under 2 categories. Its main category is Antennas projects for 432 440 MHz (Antenna for 70 cm 432 440 MHz). "440 Mhz J-Pole Antenna plans" is listed in our web site index since Friday Mar 2 2007 and till now received a total of 15933 hits.
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