4 wire
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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: 266 | 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: 159 | Votes: 0 | Rating: 0 ]
- 70 MHz 4m Slim Jin Antenna with Ladder Line
- An experimental slim jim antenna for 70MHz band made with a wireman slotted line.
[ Hits: 256 | Votes: 1 | Rating: 1 ]
- 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: 221 | 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: 505 | Votes: 4 | Rating: 7.75 ]
- Balun 1:4 UNBAL to BAL
- How to wind toroids in making baluns, using two pieces of 0,5 mm enameled wire in parallel.
[ Hits: 426 | Votes: 2 | Rating: 5.5 ]
- Multiband Dipole for 40 30 17 m
- A portable home made wire dipole antenna that works on 40 30 and 17 meters band.
[ Hits: 311 | Votes: 0 | Rating: 0 ]
- End Fed Antenna with a 1:64 Matching Network
- In this experiment the autor is going to explore the use of a 1:64 matching network on the End Fed Long Wire Antenna.
Experiment will consist in build a 80-40-20-15-10 meter End Fed Long Wire Antenna with a 1:64 matching network from the documentation available on the internet
[ Hits: 863 | Votes: 15 | Rating: 6.73 ]
- 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: 259 | Votes: 1 | Rating: 9 ]
- A Practical, 5-Band Homebrew Wire Beam
- A Practical, 5-Band Homebrew Wire Beam the Upside-Down Umbrella
[ Hits: 270 | Votes: 1 | Rating: 9 ]
- 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: 167 | Votes: 0 | Rating: 0 ]
- 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: 786 | Votes: 3 | Rating: 8 ]
- 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: 473 | 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: 449 | Votes: 4 | Rating: 5.75 ]
- ZC4UW DXpedition to UK Sovereign Base Area on Cyprus
- A group from Cambridge University Wireless Society will be QRV from the UK Sovereign Base Area on Cyprus as ZC4UW from 2-7 January 2020 with a maximum of 4 stations.
[ Hits: 103 | Votes: 0 | Rating: 0 ]
- WiRES-X Bible
- The purpose of this book is to provide a common source for WIRES-X, gather information from manuals, experiences from the Amateur Radio Community, and the best practices from both the Amateur Radio Community and the Bakken Amateur Radio Society. To provide a platform for learning, experimentation, and advancement of Amateur Radio skills and art. A platform of Discovery and to have FUN. To encourage networking, sharing, and exchange of interesting technical information of WIRES X, where people are encouraged to help each other out.
[ Hits: 413 | Votes: 0 | Rating: 0 ]
- What is System Fusion
- System Fusion is a digital communications mode for voice and data, including pictures. It utilizes a customized, yet open, C4FM FDMA standard. An introduction to Yaesu System Fusion by Wireless Society of Southern Maine
[ Hits: 109 | Votes: 0 | Rating: 0 ]
- Decoding 433 MHz radio signals
- Receiving and decoding 433 MHz radio signals from wireless devices
[ Hits: 261 | Votes: 2 | Rating: 9 ]
- DigiSkimmer
- DigiSkimmer is a GIT project that permits FT8/FT4/WSPR skimmer base on kiwirecorder/KiwiSDR.
[ Hits: 271 | Votes: 6 | Rating: 6.5 ]
- UHF Radio Chat with your Raspberry Pi
- Send and receive wireless messages adding a small 433MHz radio to your Raspberry Pi, without the need of a WiFi connection and operate remote-control main sockets
[ Hits: 206 | Votes: 0 | Rating: 0 ]
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