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Slim-Jim 2m VHF Band Antenna
Slim-Jim is easy to built, no radial 145Mhz antenna. It has almost equal gain of a 5/8 lambda
post 29 May 2026
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2m-70cm antennas super jpole
Frequency 144 MHz, 1,417 meters 4 feet ,7.79 inches - Frequency 440 MHz,0,463 meters, 1 feef, 6,26 inches
Simple 50MHz-J-Pole-Antenna
The bandwidth for a SWR 1,5 is greater than 1 MHz. The gain and pattern are the same as with a normal vertical dipole
Jpole Bibanda per i 2metri e i 70cm
Angolo di radiazione piuttosto alto, e' una antenna omnidirezionale utilizzabile anche per il traffico sui satelliti
Building A 2-meter J-Pole Antenna
So this J-pole is made for 146 Mhz so all of the lengths pertain to that frequency
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Frequency 144 MHz, 1,417 meters 4 feet ,7.79 inches - Frequency 440 MHz,0,463 meters, 1 feef, 6,26 inches
The bandwidth for a SWR 1,5 is greater than 1 MHz. The gain and pattern are the same as with a normal vertical dipole
Angolo di radiazione piuttosto alto, e' una antenna omnidirezionale utilizzabile anche per il traffico sui satelliti
So this J-pole is made for 146 Mhz so all of the lengths pertain to that frequency
Hamplus Quality Ham Radio Equipmen Automatic Remote Antenna Switch for 3 Radio and 6 Antennas
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic