4 wire

4 wire

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• Your First 160-Meter Antenna - Notes on building a basic wire vertical or horizontal antenna for 160 meters band by L. B. Cebik, W4RNL
  [ Hits: 6073 | Votes: 3 | Rating: 1 ]

• W3HH antenna for 40 meters - Pictures and plan to build a wire W3HH antenna for 7 Mhz.
  [ Hits: 5021 | Votes: 11 | Rating: 7.45 ]
• NVI 40 Meter Antenna Modeling - The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.
  [ Hits: 3007 | Votes: 0 | Rating: 0 ]

• Dual Loop 80 and 40 Meter - A dual loop antenna, ZZ Wave Net HF Wire Antenna Project by VE6VIS. The antenna is basically a full wave 80 meter loop on top and a 40 meter loop on the bottom all supported from a 64 foot center support
  [ Hits: 25275 | Votes: 16 | Rating: 5.38 ]

• Broad Band Dipole for 80m - Mesh constructed with enamelled wire 0.5 mm diameter For installing a support (plastic rope 2 mm) is needed. Antenna used on Solomon Isl in 1995 H44/DJ9RB
  [ Hits: 3936 | Votes: 2 | Rating: 2.5 ]

• Inverted Vee monoband antenna - This project will enable you to build a monoband long wire inverted vee with 3/4 wave length sides that will have a bit of gain
  [ Hits: 2263 | Votes: 1 | Rating: 10 ]
• Wire antenna with coaxial cable traps - This multiband antenna 10-80 meters is a home made project by I1BAY. Has been used for SOTA activations with great results. Traps are done with coax cable turns, dimensions are in the attached schema.
  [ Hits: 9251 | Votes: 3 | Rating: 7 ]

• 2.4 Ghz double quad antenna - An easy to build, compact antenna for wireless lan applications that offers a reasonable amount gain.
  [ Hits: 2619 | Votes: 4 | Rating: 1 ]

• EC2APU multiband wire antenna - Wire antenna for 10-15-20-40-80 meters band, with many drawings and description in spanish
  [ Hits: 6598 | Votes: 6 | Rating: 5.17 ]

• Fundamentals of Off-Center-Fed Dipoles - Off-center-fed dipoles (OCFs) are 1/2-wavelength wire antennas fed at neither the center nor the end, but somewhere between--off-center
  [ Hits: 4499 | Votes: 2 | Rating: 5.5 ]

• 7 Mhz traps for W3DZZ - Homebrewing traps for the W3DZZ wire dipole Antennas. Article in Dutch with some interesting pictures
  [ Hits: 15715 | Votes: 28 | Rating: 4.89 ]

• A 2.4 Ghz High gain antenna  ^{updated  pop} - 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: 61434 | Votes: 91 | Rating: 5.53 ]

• The FD4 (FD3) Windom Antenna  ^pop - The 4-band Fritzel model FD4 is a special version of a Windom antenna. It is a half-wave long on the lowest frequency, and is fed from a coax cable through a transformer inserted in the wire at one-third from one end
  [ Hits: 53318 | Votes: 95 | Rating: 5.42 ]

• 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 G4ZU Bird Yagi - Interesting variant on the 3-element Yagi. Lightweight fiberglass (or similar) tubes supporting a wire structure of elements
  [ Hits: 3343 | Votes: 4 | Rating: 5.25 ]

• Antique Wireless And Scientific Instruments - An on-line museum featuring over 400 pictures of radios and related items from the 1920's
  [ Hits: 598 | Votes: 1 | Rating: 10 ]

• Military Wireless Museum - Military vintage radio collection including spy sets, SOE, SIS, MI6. Classic vintage military radio sets, British, German, Japanese, USA plus other countries.
  [ Hits: 3178 | Votes: 6 | Rating: 7 ]

• W4FDX Mid Florida DX Association - The mid florida dx association was formed in february 2005. to promote friendship and cooperation among amateur radio (wireless) operators primarily
  [ Hits: 604 | Votes: 2 | Rating: 10 ]

• WPI Wireless Association - The Worcester Polytechnic Institute Wireless Association has its roots in the beginnings of Amateur Radio. The group was first founded in October of 1909, by Oliver B. Jacobs and a group of 40 other men.
  [ Hits: 370 | Votes: 0 | Rating: 0 ]

• RippleTech Electronics - Wide bandwidth Trapped Verticals and rotary dipoles, baluns, 40m/80m wire dipoles and accessories from Australia.
  [ Hits: 1260 | Votes: 3 | Rating: 10 ]

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