z antenna
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Antennas : 15M- 4N1SM 5 elements yagi for 15 Meters
- EF155A1 21 MHz monobander antenna by YU7EF
[ Hits: 1699 | Votes: 2 | Rating: 7 ]
- The Battle Creek Special Antenna
- This antenna is often mentioned as secret weapon for LF bands (160, 80 & 40 m) operating at many DXpeditions. It is not commercially available but may be loaned to the expedition staff. It was brought to Ham Radio scene by George Guerin, K8GG, Charlie Dewey, W0CD and George Taft, W8UVZ
[ Hits: 4483 | Votes: 3 | Rating: 8 ]
- Building High Power, High Q, Loading Coils
- This page describes the loading coil (inductor) that W8WWV built for my center-loaded 160 meter band (1.83 MHz) vertical antenna.
[ Hits: 6885 | Votes: 5 | Rating: 5.4 ]
- 2 Meter Turnstile Antenna
- Here are construction plans of a Turnstile antenna that can be used for space communication on the 2 meter amateur radio band. Specifically for 145.80 mHz
[ Hits: 4259 | Votes: 1 | Rating: 7 ]
- HB9MTN DDRR Antenna for 50 Mhz
- Pictures and dimensions of and HB9MTN DDRR antenna for 6 meters band
[ Hits: 2364 | Votes: 11 | Rating: 7.64 ]
- 4 el yagi for 50 Mhz
- The EF0604S is a compact 4 elements yagi antenna plan for six meters band featuring 8.77 dBi gain and a front back gain of 17.89 dB. Article includes elements dimensions and spacing, along to pictures of some homebrewed examples.
[ Hits: 3751 | Votes: 10 | Rating: 6.84 ]
- Quadrifilar Helix antenna for 436 MHz
- This is an antenna that author just built. Was intend for receiving the AO-27 downlink (at 436.800 +/- doppler). It is built with right hand circular polarization, and the gain is supposed to be in the neighborhood of 3 DB.
[ Hits: 3887 | Votes: 4 | Rating: 4.5 ]
- 440 Mhz J-Pole Antenna plans
- Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary. The dimensions aren't typical however, this is what it took to get its SWR low.
[ Hits: 20922 | Votes: 51 | Rating: 4.8 ]
- Active antenna for 10 to 200 Khz
- Tuned active receiving antenna for 10 to 200 KHz.
[ Hits: 3867 | Votes: 5 | Rating: 10 ]
- Halfer End-Fed Halfwave Antenna
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- End-Fed Half-Wave Antenna for the 7 or 10 MHZ amateur bands intended to provide a very simple to erect yet effective portable QRP antenna.
[ Hits: 25800 | Votes: 14 | Rating: 8.07 ]
- Super J-Pole for 435MHz
- The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf
[ Hits: 3370 | Votes: 6 | Rating: 5 ]
- J Pole antenna for 6 meters
- Homebrewed jpole antenna for 50 mhz by IW0BZD, include pictures and schematics, in italian.
[ Hits: 3245 | Votes: 1 | Rating: 10 ]
- 160 m Balanced Coaxial Receiving Loop Antenna
- W4HM explanation of the 160 meter balanced coaxial receiving loop antenna, easily adaptable to a 40 and 80 meters band
[ Hits: 6569 | Votes: 7 | Rating: 6.4 ]
- An Unusual Magnetic Antenna
- This article by OK1FOU describes how to build a relatively small loop antenna which can be placed for instance at the balcony. It is especially suitable for a two band antenna covering two adjacent amateur radio bands (10/14 MHz, 14/18, etc.)
[ Hits: 3056 | Votes: 1 | Rating: 1 ]
- The G3BGR Magnetic Loop
- This ia a home built Magnetic loop antenna which was used by G3BGR, indoors on 7,10 and 14Mhz. The basic idea was in Radcom 1986
[ Hits: 1371 | Votes: 0 | Rating: 0 ]
- HB9AGD Magnetic Loop
- Pictures and antenna plan of a magneti loop antenna working in the range 6.650 7.250 Mhz in french
[ Hits: 1682 | Votes: 0 | Rating: 0 ]
- A 2.4 Ghz High gain antenna
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- Here is how to build a high gain antenna for 2.4 gHz wireless networks. Several hams are experimenting with these devices in an effort to build a network. It is sometimes referred to as Hinternet or HSMM.
[ Hits: 61429 | Votes: 90 | Rating: 5.55 ]
- Portable Wire Antenna
- W4ZT used this antenna for Field Day and other portable applications. He built them for all bands between 160 meters and 6 meters. You can make them easily using whatever wire you have available and make the insulators from scrap plastic
[ Hits: 1919 | Votes: 2 | Rating: 7 ]
- The ZS6BKW Multiband HF Antenna
- Antenna design from ZS6BKW (G0GSF), similar to the G5RV, but it actually resonates on five bands
It's only 90 ft long 27.51 m, with a 40 ft 12.2 m downlead
[ Hits: 6505 | Votes: 8 | Rating: 6.88 ]
- DK5CZ AMA Antennas
- AMA magnetic loop antennas, original Kaferlein AMA, produced by funktechnik-beese based in Germany, late in 2016 right and production has been acquired by Wimo
[ Hits: 3862 | Votes: 8 | Rating: 7.51 ]
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