wire antenna
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Antennas : 40M- A comparison of 40 meter beam antennas
- This page describes a comparison study on seven different beam antennas for 40 meters band.
Yagi antennas, moxon antennas, mini horse all antennas are described with schema diagram , azimuth plot and SWR F/B Gain diagram
[ Hits: 268 | Votes: 0 | Rating: 0 ]
- Linear Loaded 40m Dipole
- Dipole for 40m band. It is a simple linear loaded dipole feeded with 450-Ohm openwire feedline. Designed it for resonance at 7.050 MHz, can be tuned on 30m and 80m bands with an external antenna tuner. Build with simple electrical copper wire (2.5 mmq/13 awg) and two fishing poles with size of about 7 m/23 ft.
[ Hits: 162 | Votes: 0 | Rating: 0 ]
- J-Pole Antenna for 50 MHz
- This J-Pole is mounted on a fishing rod. The radiator L1 is an isolated copper-wire with a length of 281,5 cm while the quarter-wave matching sector L2 is made with 450-Ohm-Wireman-cable
[ Hits: 223 | Votes: 0 | Rating: 0 ]
- Building the 6 Meter Moxon Antenna
- A moxon antenna for the 50 MHz build with 19 feet of 14 AWG copper wire, and based on a set of PVC pipes.
This is an easy to build project that will give you an efficient directional antenna on 6 meters band with low SWR on more than 1 MHz bandwidth.
[ Hits: 508 | Votes: 4 | Rating: 7.75 ]
- Online Yagi Antenna Calculator
- HF Beam Calculator for Amateur Radio and CB Communications
[ Hits: 563 | Votes: 16 | Rating: 5.5 ]
- A Reversible Beverage at ZL3IX
- How do two-wire reversible direction Beverages work, an excellent document that explains fundamentals of beverage antennas. This article details the design and performance of a reversible beverage antenna. Leveraging orthogonality between common mode and differential mode currents on a 2-wire line, this antenna facilitates independent reception from both ends. While common mode signals arrive and are summed on a transformer's secondary for common mode reception, differential mode signals induce anti-phase currents, providing individual reception. Various measurements explore impedance, transmission loss, and F/B ratio, highlighting the antenna's effectiveness and areas for improvement. Notably, increasing the antenna's height significantly improved performance.
[ Hits: 523 | Votes: 0 | Rating: 0 ]
- The Single Wire Beverage Antenna
- This simple beverage ntenna is easy to make, easy to setup, and it offers great RX performance.
[ Hits: 449 | Votes: 5 | Rating: 7.4 ]
- Multiband Dipole for 40 30 17 m
- A portable home made wire dipole antenna that works on 40 30 and 17 meters band.
[ Hits: 313 | Votes: 0 | Rating: 0 ]
- Speaker Wire EFHW Antennas 20m/ 40m
- Author experiments end fed half wave antennas using common two conductore speaker wire, this article features a couple of end-fed halfwave wires for the 40M and 20M bands.
[ Hits: 262 | Votes: 1 | Rating: 9 ]
- Fan Dipoles 10/15/20m and 12/17/30m
- How to build Fan-Dipoles by DK7ZB. Experiences with various band combinations. Not all combinations are working properly. If the frequencies are to close together the impedances will lead to a very bad SWR. This happens with the bands 10-12-15m or 15-17-20m.
[ Hits: 490 | Votes: 2 | Rating: 9.5 ]
- Halo Antenna for 50 MHz
- The antenna described in this article is for 50 MHz, but the design can be scaled for any band, including VHF, UHF, or even the higher HF bands. The antenna is nothing more than a square loop of wire, approximately 30" (or ~76cm) per side. The loop is fed in the middle of one side, and the opposite side to the feed point has a gap in it.
[ Hits: 301 | Votes: 0 | Rating: 0 ]
- HexBeam Antenna Explained
- A hexagonal beam is a form of the Yagi antenna which is based on parasitic principles developed early in the last century in Japan for achieving gain in one direction.How HexBeam antennas works. A hexagonal beam operates exactly like Yagi antenna, but instead of a driven element that is straight like a dipole, it is a wire bent into the shape of the letter M.
[ Hits: 171 | Votes: 0 | Rating: 0 ]
- 40m Loop Antenna
- This project is a full wavelength, horizontal, loop antenna for the 40 metre Amateur Radio band, built using insulated copper wire in a diamond shape, supported by egg insulators, tethered to 4 masts, each 6.5m high
[ Hits: 193 | Votes: 0 | Rating: 0 ]
- HF Multiband Moxon Antenna
- A project that describes a build a multiband wire beam antenna. A 3 band single feed moxon antenna for 20,15,10 meters.
[ Hits: 709 | Votes: 13 | Rating: 7.54 ]
- Backyard Multi-Band Wire HF Antennas
- My Top Five Backyard Multi-Band Wire HF Antennas. A selection of the top 5 HF wire antennas for the backyard and for multi-band operation
[ Hits: 794 | Votes: 3 | Rating: 8 ]
- Balcony Vertical HF Antenna
- The simple balcony vertical HF antenna made with plastic fishing pole. Just along the pole I install copper wire in 7 meter length. Then was installed ATU. It was used home brew tuner. For each band was used one counterpoise in length 0.8 x lambda/4
[ Hits: 238 | Votes: 0 | Rating: 0 ]
- Practical Balcony Version of an Old Military Car Antenna
- The antenna almost repeat the design of the Car Antenna however instead of aluminum tubes it was used copper wire in plastic insulation in diameter of 2- mm (12 AWG).
[ Hits: 390 | Votes: 2 | Rating: 7.5 ]
- Practical Antenna Modeling with 4NEC2
- Presentation about Practical Antenna Modeling Using the NEC Codes with examples of HF wire antennas and 4NEC2. How to define and edit the models, Running the simulations, Work some examples, Variables usage, Deal with Feed Lines and ground
[ Hits: 482 | Votes: 0 | Rating: 0 ]
- Revisiting the Rybakov 806 Vertical Antenna
- An article about the Rybakov 806 Vertical antenna. The classic Rybakov configuration is a 7.6m or 8m ( aprox 25 or 26 feet) wire fed through a 4:1 UNUN
[ Hits: 457 | Votes: 4 | Rating: 5.75 ]
- 3D Ham Radio Antenna models Thingiverse
- Ham Radio 3D Models published on Thingiverse, includes several parts for homebrewing amateur radio antennas, like spreaders, isolators a and mounts, wire antenna winders, adapters and many other accessories useful to antenna homebrewers.
[ Hits: 346 | Votes: 1 | Rating: 10 ]
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