440 mhz j pole antenna
4 links
- 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 ]
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