5 element
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Antennas : 10M- DK7ZB-5-Band-Quad
- 2 element Quand antenna for 10 - 12 - 15 -17 - 20 meters band
[ Hits: 10903 | Votes: 10 | Rating: 7.61 ]
- Multiband Cubical Quads
- EI7BA Multiband Cubical Quads projects, includes two elements quad antennas for 10 12 15 17 20 meters band. Performance considerations, detailed pictures and construction notes.
[ Hits: 7909 | Votes: 5 | Rating: 9.4 ]
- Quad antenna for 10 and 15 Meters
- Building guide for a two element quad antenna planned for 28 and 21 Megahertz
[ Hits: 5786 | Votes: 5 | Rating: 6.6 ]
- 9 element yagi for 2 meters band
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- A simple design of a 9 elem. yagi antenna for 2 meters band
[ Hits: 53419 | Votes: 263 | Rating: 5.23 ]
- 7 Elements YAGI for 144 Mhz
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- The QM7 antenna is a simple 7 elements Yagi with 3.7 m boom length for the lower 144 MHz
SSB/MGM band, in PDF Format
[ Hits: 42734 | Votes: 49 | Rating: 5.87 ]
- QM5 Yagi for 2 meters band
- The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
[ Hits: 6869 | Votes: 4 | Rating: 5.25 ]
- QM7 7 elements 144 MHz Yagi-Uda Antenna
- The QM7 antenna is a simple 7 elements Yagi with 3.70 m boom length for the lower 144 MHz SSB/MGM band, used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 11.35 dBd; i.e. 13.5 dB forward gain over the isotropic radiator, while the F/R is about 12.5 dB
[ Hits: 5361 | Votes: 15 | Rating: 5.27 ]
- 8 Element Quad for 145 Mhz
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- 8 elements quad antenna for 2 meters band, centered on 145 Mhz
[ Hits: 30198 | Votes: 105 | Rating: 5.81 ]
- A portable 2-element VHF yagi
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- Build a portable VHF yagi antenna for 2 meters. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4 CPVC pipe with one tee.
[ Hits: 28662 | Votes: 26 | Rating: 7.23 ]
- 13 elements Yagi antenna for 144 MHz
- DJ9BV yagi antenna for 2 meters band
[ Hits: 8891 | Votes: 36 | Rating: 6 ]
- 4 elements 50MHz Quagi
- Total Boom Lenght is 3 m.
[ Hits: 20978 | Votes: 16 | Rating: 4.87 ]
- Two portable antennas for 6-meter
- VE7CA reprint an interesting article taken from arrl antenna compendium. Two elegant practical and portable 6-meter gain antennas, a two-element quad and a tree-element Yagi antenna for 50 Mhz-6 meter band
[ Hits: 4791 | Votes: 1 | Rating: 10 ]
- Maria Maluca Antenna by PY2BBP
- The Maria Maluca HF multiband antenna as designed in 1957 by PY2BBP is a directive antenna for 15 meter and a passive element that works as director and reflector in different bands
[ Hits: 340 | Votes: 1 | Rating: 10 ]
- Cebik Moxon Rectangles
- The Moxon Rectangle is growing in popularity as a compact 2-element array that approaches a full-size 2-element in gain but with a far superior front-to-back ratio and a direct match for the standard 50-Ohm coaxial cable.
[ Hits: 3328 | Votes: 5 | Rating: 5 ]
- The 5 Bands Wire-Beam
- This wire-beam has one radiator-element, feeded with 450-Ohm-Wireman-twinlead and needs an antenna-tuner. For the bands 6m, 10m, 12m, 15m, 17m and 20m bended reflector-elements are used.
The support is a cross of 4 fibreglass-fishing-rods
[ Hits: 5647 | Votes: 2 | Rating: 7 ]
- Cubical Quad Antenna Calculator
- The function of the calculator is to give all of the needed sizing to construct a good 5 element quad antenna for amateur radio use.
[ Hits: 4082 | Votes: 28 | Rating: 4.18 ]
- Build your first dipole
- The dipole antenna is an easily designed and made antenna usually used on HF, although can be (and sometimes is) made for VHF and UHF antennas, and in varying forms is also used as part of different designs of antennas i.e. as the driven element for directional antennas.
[ Hits: 14809 | Votes: 14 | Rating: 6.93 ]
- Building a 2.4GHz 10 Element Brass Yagi
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- Build this home made yagi antenna for your 2.4ghz wireless ethernet.
[ Hits: 64999 | Votes: 121 | Rating: 7.38 ]
- A low pass filter circuit
- A simple 7 element, Chebyshev low pass filter, rolls of at 30MHz. Attenuation is better than -40dB at 60MHz, -65dB at 90MHz, -80dB at 120MHz.
[ Hits: 5303 | Votes: 21 | Rating: 6.1 ]
- Some good ideas for a big Delta Loop antenna
- A 3 element DELTA LOOP on 20 meter, 4 on 15 and 5 on 10: my new beam (Just some good ideas)
[ Hits: 7717 | Votes: 1 | Rating: 10 ]
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