WebOct 15, 2024 · The basic formula for dipole construction is dividing 468 by the desired resonant frequency, in MHz. As an example, a dipole cut for 14.225 MHz SSB is … WebA dipole is what is termed a balanced antenna. In an ideal world a balun should be used with coaxial feeder (which is unbalanced) to make the transition between balanced and …
Simple 1/2 Wave Dipole for VHF Airband - YouTube
http://www.w8ji.com/end-fed_vertical.htm WebFeb 8, 2014 · You would construct a counterpoise antenna wire 11.5 inch for VHF, 6.5 for UHF and about 19.5 inches for an OK performing dual band VHF/UHF radio. Normally with a handheld radio the counterpoise ... bubba\u0027s printable menu
Antenna for 2 meters : Antenna projects for 144 MHz - The …
WebNov 14, 2024 · Review of the smallest portable 2m antenna on the market producing full size dipole performance and stows into your pocket. ... the N9TAX VHF SlimJim antenna is an exemplary dipole. Categories Antennas Tags J-Pole, measurement, N9TAX, ... 5/8 Wave J-Pole vs. 1/2 Wave J-Pole EZNEC Shootout. November 3, 2024 July 9, ... WebFeb 18, 2024 · Among the 5 dipole antennas listed, the most popular dipole antenna used in radio receivers is the half-wave dipole. The name “half-wave dipole” was coined from its length. The length of this dipole matches with an electrical half wavelength. A half-wave dipole antenna can easily function around a frequency range of 3 kHz to 300 GHz. Web440 Mhz J-Pole Antenna plans. 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 aren't typical however, this is what it took to get its SWR low. 70cm yagi antennas. Pictures and plans to build 70 cm yagi antennas. bubba\\u0027s produce