ring antenna
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Antennas : 2M- Homebrew 5 Element VHF Yagi-Uda
- A project for a home made 5 element yagi-uda antenna for 2 meters, covering 144-148 MHz band by N1BMX
[ Hits: 1626 | Votes: 4 | Rating: 5.75 ]
- The Cycloid Dipole Antenna
- A 2 meter antenna made of copper tubes, offering circular polarization
[ Hits: 1934 | Votes: 15 | Rating: 7.2 ]
- 5 Element LFA Yagi for 6 meters band
- A Loop Fed Array Yagi antenna for 50 MHz featuring 11 dBi gain and 23 f/b ratio. In this excellent page the author even includes a detailed drawing in DWG format, with element lenght and spacing measures, in a separa file a full list of material list needed to build this yagi antenna including source and price, the EZnec file for this antenna plan, and a lot of pictures of this LFA Yagi for 50 Mhz. A ten page PDF file containing all infos, is also available to download.
[ Hits: 1177 | Votes: 7 | Rating: 8.57 ]
- Measuring Coil Inductance
- Measuring Coil Inductance with an MFJ Antenna Analyzer by Scott W Harden
[ Hits: 616 | Votes: 0 | Rating: 0 ]
- Rotary Dipole for 10m 15m 20m
- A simple beam antenna offering good performances on 3 bands by 9m2mso
[ Hits: 2304 | Votes: 5 | Rating: 4.8 ]
- 10-80 Slinky Dipole
- A slinky dipole antenna that covers almost all HF bands mede with a flexible 90-turn metal spring by N4SPP
[ Hits: 1374 | Votes: 7 | Rating: 6.86 ]
- 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 ]
- A loop antenna for 7 MHz to 30 MHz
- This note describes a relatively small, but efficient, loop antenna initially created for portable operation. With suitable modifications, it can be adapted for fixed station use. In this age of CC&Rs, an antenna similar to this may very well be the answer to your problems. Have a look, be inspired, get out the torch / soldering iron and create your own version!
[ Hits: 2447 | Votes: 8 | Rating: 7.25 ]
- Hamstick as multiband mobile antenna
- Build your own multi-band mobile ham antenna with a Hamstick
[ Hits: 2160 | Votes: 5 | Rating: 2.2 ]
- Moxon on Cushcraft XM240
- Cushcraft XM240 transformation into a Moxon antenna by W6NL
[ Hits: 660 | Votes: 0 | Rating: 0 ]
- Compact Multi-band Field Day Antenna
- A Compact size 80-10 m field day antenna offering a Low angle of radiation and very easy to build and set up
[ Hits: 3095 | Votes: 7 | Rating: 8.29 ]
- Antennas of Field Day
- Main High Frequency Antennas from the 2009 LARC FARL Field Day, Ford Amateur Radio League. A document comparing antenna performances and flexibility among a G5RV an Carolina Windom and a Cushcraft R7 vertical antenna.
[ Hits: 409 | Votes: 0 | Rating: 0 ]
- PAR End Fed Z EF-SWL Antenna
- Monitoring times PAR End Fed Z EF-SWL Antenna review by N5FPW
[ Hits: 739 | Votes: 0 | Rating: 0 ]
- Antenna Gain
- An interesting guide to aerials comparing height, gain and angles
[ Hits: 428 | Votes: 0 | Rating: 0 ]
- Windom Antenna
- This article describes the characteristics of the Windom antenna and shows the results of several simulations made with MMANA-GAL, covering models optimized for the 20 m, 40 m and 80 m bands.
[ Hits: 1343 | Votes: 5 | Rating: 2.4 ]
- 40 Meters Wire Yagi Antenna
- A wire yagi antenna model, easy to build, made using inverted vee elements and requiring just one support by ve3vn
[ Hits: 2578 | Votes: 6 | Rating: 4.67 ]
- HamRadioEngineering.com
- Amateur Radio site including Curcuit Diagrams, Antenna Construction, Radio Repairs, and serious fun. The Ham Radio Website for Ham Radio and Electrical Engineers, with mods, circuits to build, manuals and projects
[ Hits: 312 | Votes: 0 | Rating: 0 ]
- 1dBm Antennen
- Multiband Trap Dipole, portable short antennas, accessories and kits by DG1DBM
[ Hits: 473 | Votes: 12 | Rating: 5.58 ]
- Double Cross Satellite Antenna
- An easy to build antenna for ground reception of NOAA weather or amateur satellite signals. Double cross antenna by Gerald Martes
[ Hits: 3070 | Votes: 15 | Rating: 4.74 ]
- Comet CHA250B Review
- An interesting article by K3DAV comparing the COMET CHA250B to other HF multiband vertical antennas
[ Hits: 1630 | Votes: 2 | Rating: 8.5 ]
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