Most Popular
- End-Fed Halfwave Antenna
The end-fed halfwave antenna is a resonant half wavelength long antenna like a dipole antenna except for it is fed at its end rather then in the center. This antenna is as old as radio and is probably best known as the Zepp Antenna
- Shortened EFHW Antenna 80-10m
A shortened multiband antenna, about 23m long, for 80m - 10m bands with a low SWR (<1.3) on 80m and 40m, and <3 till 10m. Bandwith on 80m is 300kHz
- 20m End Fed Antenna
20m end fed half wave vertical antenna
- End Fed Half Wave Antenna for 6 / 40 Meter
6m to 40m EndFed Half Wave Antenna project produces an inexpensive, multiband, end fed HF antenna matchbox that is quick and easy to setup and use.
- The EFHW antenna
A monoband end-fed half wave for 10m, 20m or any other HF band, includes a PDF with detailed information to build your own monoband or multiband antenna
- 20m EFHW Antenna
- An end fed 20 meter half wave antenna
[ Hits: 1149 | Votes: 2 | Rating: 6 ]
- 20m End Fed Antenna
- 20m end fed half wave vertical antenna
[ Hits: 2836 | Votes: 6 | Rating: 6.5 ]
- 20m end-fed Antenna
- An end-fed halfwave antenna for 20 meters band with balun pictures and description by PD7MAA
[ Hits: 1487 | Votes: 2 | Rating: 1 ]
- 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: 1437 | Votes: 4 | Rating: 9.75 ]
- 20m vertical end fed half wave
- An EFHW antenna by M5FRA G8FRA
[ Hits: 601 | Votes: 1 | Rating: 1 ]
- 40m portable antenna tuner
- A small-sized portable antenna tuner for the 40 meter band end-fed half wave antenna based on a toroid core and a variable capacitor by VK5ZVS
[ Hits: 1946 | Votes: 6 | Rating: 7.83 ]
- EFHW autotransformer comparison
- Two different ways to create autotransformer for end fed half wave wire antennas, by using ferrite or air core.
[ Hits: 289 | Votes: 1 | Rating: 1 ]
- EFHW matching unit
- End-Fed Half Wave matching unit project, based on a FT140-43 with SWR plot tests made using capacitor and without.
[ Hits: 838 | Votes: 2 | Rating: 10 ]
- 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: 529 | Votes: 12 | Rating: 6.09 ]
- End Fed Half Wave Antenna
- An easy to deploy antenna, commonly considered the best solution for portable operations. Thir article includes a simple LC parallel circuit to match the impedance by IW7EHC
[ Hits: 1244 | Votes: 2 | Rating: 1.5 ]
- 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: 1348 | Votes: 1 | Rating: 10 ]
- End Fed Half Wave Antenna Coupler
- A home made end-fed half-wave antenna coupler with antenna lenght calculator and counterpoise calculator based on center frequency. Includes pictures and drawings along to antenna homebrewing instructions with a home made on air wound transformer
[ Hits: 238 | Votes: 0 | Rating: 0 ]
- End Fed Half Wave Antenna for 6 / 40 Meter
- 6m to 40m EndFed Half Wave Antenna project produces an inexpensive, multiband, end fed HF antenna matchbox that is quick and easy to setup and use.
[ Hits: 2508 | Votes: 5 | Rating: 7.8 ]
- End Fed Half-Wave Antennas
- An interesting article on end fed half-wave wire antennas with a couple of original experiments.
Author illustrate the role of the QRP matchbox, and a 40/20 meter antenna with a center stub making it a large bandwidth antenna for 40 and 20. Includes also an 80/40 end fed with the typical coil to make it available on 80 merts band.
[ Hits: 226 | Votes: 2 | Rating: 10 ]
- End Fed Halfwave and Tuner For 80-160
- A workign example of a simple half-sized, end fed halfwave for 160 meter band by N0LX
[ Hits: 1104 | Votes: 1 | Rating: 2 ]
- End-Fed Halfwave Antenna
- The end-fed halfwave antenna is a resonant half wavelength long antenna like a dipole antenna except for it is fed at its end rather then in the center. This antenna is as old as radio and is probably best known as the Zepp Antenna
[ Hits: 23915 | Votes: 17 | Rating: 7.46 ]
- End-Fed HalfWave Matching Unit for SOTA operations
- An end-fed half wave antenna matching unit made of 3:24 turns ratio on a FT140-43 toroid with a 150pF capacitor across the input.
[ Hits: 204 | Votes: 0 | Rating: 0 ]
- G0KYA EFHW HF antenna
- A 11 pages pdf file about monoband or multiband end fed half wave vertical antenna that is great for DX and very cheap to build by Steve G0KYA
[ Hits: 1647 | Votes: 0 | Rating: 0 ]
- Home made EFHWA
- An home made end fed half wave antenna with a tuner box by NG0R
[ Hits: 739 | Votes: 0 | Rating: 0 ]
- KB6NU End-fed Half-Wave for 20m
- KB6NU end-fed, half-wave antenna article and project
[ Hits: 565 | Votes: 0 | Rating: 0 ]
- Make a EFHWA Antenna
- A nice post on Make: on homebrewing a multiband antenna for amateur radio portable operations
[ Hits: 772 | Votes: 0 | Rating: 0 ]
- QRP Multi-band EFHW antenna for SOTA
- Link End Fed Half Wave Antenna and Tuner for SOTA designed to work on 15m, 20m, and 40m.
[ Hits: 1256 | Votes: 2 | Rating: 5 ]
- Shortened EFHW Antenna 80-10m
- A shortened multiband antenna, about 23m long, for 80m - 10m bands with a low SWR (<1.3) on 80m and 40m, and <3 till 10m. Bandwith on 80m is 300kHz
[ Hits: 2906 | Votes: 6 | Rating: 6 ]
- The EFHW antenna
- A monoband end-fed half wave for 10m, 20m or any other HF band, includes a PDF with detailed information to build your own monoband or multiband antenna
[ Hits: 2072 | Votes: 3 | Rating: 3.67 ]
- The EFHW Antenna
- An efficient monoband end-fed half wave for 10m, 20m or any other HF band
[ Hits: 988 | Votes: 1 | Rating: 10 ]
- The End-Fed Half-Wave Antenna - Presentation
- A very well done presentation about End-Fed Half-Wave antennas. This PDF document contains a summary of experiences in how to build custom EFHW antennas. Includes an interesting comparison table of UnUn configurations with recommended toroids, Wire size, turns and capacitors. An useful recap on common errors in building homebrew EFHW Ununs completes the document.
[ Hits: 247 | Votes: 3 | Rating: 8.67 ]
- Yet Another EFHW Matcher
- An end-fed-half-wave antenna matcher project based on a FT-82-43 core with a 100 pF and 45 pF capacitor in parallel
[ Hits: 545 | Votes: 1 | Rating: 9 ]
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The DXZone is the largest human created and maintained library of web sites dedicated to Amateur Radio, currently lists 20.000+ links organized into 600+ categories and subcategories. Ham Radio operators review new sites every day since 1998, for potential inclusion in the Directory, and to evaluate the best place to list them.
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