j pole antenna

j pole antenna

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• Postage Stamp 40 Meter Wire Dipole Antenna - Build yourself a postage stamp 40 meter wire dipole antenna that fits in a space a little over 20 wide and works reasonably well at low heights
  [ Hits: 2771 | Votes: 5 | Rating: 6.5 ]
• Linear Loaded 40m Dipole - A simple dipole for 40m band feeded with 450-Ohm openwire feedline includes MMANA Gal files to download
  [ Hits: 485 | Votes: 1 | Rating: 5 ]

• J-Pole Calculator - Online J-Pole antenna length calculator
  [ Hits: 1414 | Votes: 19 | Rating: 5.32 ]

• 10 15 20m Open Sleeve Dipole - Based on a simple project based on a 2 elements Yagi for 20m band, and then becomed a triband yagi with a open-sleeve feed system
  [ Hits: 786 | Votes: 3 | Rating: 3 ]
• Simple 20-40 m Dipole Antenna - A simple TRAP-dipole project for 20 and 40m bands includes EZNec simulations
  [ Hits: 1743 | Votes: 5 | Rating: 6 ]

• End Fed Half Wave Antenna Coupler - Centre fed half wave dipoles make great, simple and effective antennas for the HF bands. Sometimes however, the centre feed is not ideal. This great project will improve the overall antenna performance.
  [ Hits: 1426 | Votes: 1 | Rating: 10 ]
• 20m Half-Wave End Fed - A Half wave antenna has a high impedance feed point. This can be matched using a 1/4 wave stub matching section and converts the 40m vertical into an L-shaped 20m J-Pole antenna. The 300 ohm feeder used for this purpose must be kept away from the ground.
  [ Hits: 1845 | Votes: 7 | Rating: 8 ]

• Multiband Dipole - Interesting article on multiband fan dipoles. This article give an overview on designing this wire antenna, and planning a robust installation and proper feed line. Includes notes on setting up a commercial fan dipole antenna and on how diy your own.
  [ Hits: 1382 | Votes: 4 | Rating: 6.75 ]

• 6 m JPole Antenna - Based on original G2BCX design this J-Pole antenna for the six meter band is made with a homemade ribbon cable. The antenna shown in this article includes a coaxial cable choke feed to remove RF currents from flowing on the outer of the cable.
  [ Hits: 1767 | Votes: 6 | Rating: 6 ]
• 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 ]

• Lindenblad Antenna - A Lindenblad Antenna for 145 MHz and 435 MHz with an integrated 50 MHz J-pole
  [ Hits: 1524 | Votes: 3 | Rating: 6.67 ]

• 17 meter Moxon Antenna project - A moxon antenna project made with wires and fiberglass poles
  [ Hits: 1056 | Votes: 0 | Rating: 0 ]

• HF Multiple Dipole Antenna - This article describes the design and simulation of a multiple dipole antenna for the HF band, using the software MMANA-GAL. The antenna will be designed to operate in the 10, 20, 40 and 80 m bands
  [ Hits: 820 | Votes: 1 | Rating: 4 ]

• OCF Dipole - This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
  [ Hits: 2559 | Votes: 7 | Rating: 9.43 ]

• Portable or Emergency VHF Antennas - Ground Plane - 1/4 wave vertical, J-Pole, 3 Element Yagi Beam and simple antenna supports
  [ Hits: 1010 | Votes: 1 | Rating: 8 ]

• Slim Jim vs J-Pole - A comparative article on performance differences between Slim Jim antennas versus J-Pole antennas
  [ Hits: 856 | Votes: 2 | Rating: 10 ]

• How does antenna height affect VHF communications - How to calculate range for a VHF antenna with a simple formula and how to increase VHF coverage.
  [ Hits: 634 | Votes: 2 | Rating: 9 ]
• Dipoles and Vs at correct height - Dipoles at the correct height are not only stealthy antennas, they work great
  [ Hits: 746 | Votes: 2 | Rating: 8 ]

• Multiband HF Dipole - A 40 ft vertical dipole antenna that can cover HF Bands from 80 to 10 meters winding a dipole in a 12m HD telescoping fiberglass pole
  [ Hits: 3120 | Votes: 7 | Rating: 6.43 ]

• Buddipole vertical on 40m - A report on working a CQWW SSB on 40m with a vertical buddipole antenna
  [ Hits: 614 | Votes: 1 | Rating: 1 ]

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