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Antennas : 4M- VHF Resonant Feedline Dipoles
- Resonant Feedline Dipoles for 4m and 2m
[ Hits: 1215 | Votes: 0 | Rating: 0 ]
- A Broadband 80/160 meter dipole
- An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band
[ Hits: 2504 | Votes: 1 | Rating: 8 ]
- Build your own HF balun
- A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
[ Hits: 1639 | Votes: 5 | Rating: 5 ]
- High Power 4:1 Balun
- High power 4:1 air core balun for multi band fan dipole antenna
[ Hits: 1610 | Votes: 4 | Rating: 2.75 ]
- Feed line Dipole for 2 Meters
- Building a Resonant Feed line Dipole for 2 Meters
[ Hits: 1062 | Votes: 1 | Rating: 10 ]
- Homebrew 40-80 meter dipole
- A 40/80 meters dipole made with two loading coils based on a project by IK1ZOY
[ Hits: 1405 | Votes: 4 | Rating: 8.75 ]
- 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: 779 | Votes: 3 | Rating: 3 ]
- Resonant Feedline Dipole
- Experiences with the end-fed dipole based on the concepts presented by J. Taylor in an article titled RFD-1 and RFD-2: Resonant Feed-Line Dipoles in QST. August 1991.
[ Hits: 733 | Votes: 1 | Rating: 3 ]
- 20m Half-Wave End Fed
updated
- 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: 1841 | Votes: 7 | Rating: 8 ]
- VHF Log Periodic Antenna
- 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array
[ Hits: 1246 | Votes: 7 | Rating: 5.86 ]
- 17 meter Moxon Antenna project
- A moxon antenna project made with wires and fiberglass poles
[ Hits: 1047 | Votes: 0 | Rating: 0 ]
- Classic Multiband Dipole
- The Classic Multiband Dipole Antenna QST article. The open-wire feed line dipole antenna is easy to install and offers surprising performance on several bands. You can install it in almost any configuration; it does not have to be strung in the traditional horizontal flat top
[ Hits: 2167 | Votes: 3 | Rating: 10 ]
- 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: 2558 | Votes: 7 | Rating: 9.43 ]
- RFD Antenna for 2m
- Building a Resonant Feed line Dipole for 2 Meters
[ Hits: 793 | Votes: 3 | Rating: 7.67 ]
- 10M band RFD Resonant Feedline Dipole
- A post about the construction and measurements of a Resonant Feedline Dipole cut for the 10M band
[ Hits: 863 | Votes: 0 | Rating: 0 ]
- Revisiting the Resonant Feedline Dipole
- An article on RFD antennas, resonant feed-line antennas
[ Hits: 675 | Votes: 2 | Rating: 10 ]
- Curtain Antenna
- An antenna for shortwave radio broadcasting consisting of rows and columns of dipoles, is a high gain directional antenna, designed for medium and long range communications.
[ Hits: 854 | Votes: 0 | Rating: 0 ]
- 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: 631 | 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 ]
- Locating Power Line Noise
- RF interference from power lines is caused by arcing as high voltage electricity bridges a gap to a lower ground potential on the power pole. Corroded or loose connections, cracked insulators almost all of the hardware on a power pole can be the source of arcing.
[ Hits: 426 | Votes: 0 | Rating: 0 ]
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