440 mhz j pole antenna

440 mhz j pole antenna

Antennas : 70cm

• 440 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.
  [ Hits: 20944 | Votes: 51 | Rating: 4.8 ]

• Tri-Band J-Pole - This strange looking antenna is a combination of Coupled-Resonator principle by K9AY and a quarter stubs to achieve low angle radiation pattern. Designed with 4nec2 NEC based antenna modeler and optimizer for 145/220/440MHz bands
  [ Hits: 1922 | Votes: 5 | Rating: 9 ]

• VHF UHF Coaxial Dipole Antenna - A base station antenna you can easily build for 146,220 or 440 MHz, with performance similar to a J-pole but smaller and less obstrusive
  [ Hits: 2931 | Votes: 15 | Rating: 5.55 ]

• KB9VBR J-Pole Antennas - All copper J-Pole antennas for sale. 6 meter, 2 meter, 222 MHz, 440 MHz, LPFM, Marine, GMRS. Includes a construction plan in pdf format if you wish to build your own antenna.
  [ Hits: 6445 | Votes: 8 | Rating: 6.25 ]