i antenna for vhf

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i antenna for vhf

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Antennas : 2M
  • The Arrow Antenna Portable VHF antenna - This article is about a 4 element yagi VHF antenna designed to be easy to be assembled and suited for portable operations
    [ Hits: 500 | Votes: 0 | Rating: 0 ]
  • Rectangular Loop antenna for 2 meter band - An interesting and easy to build loop antenna for VHF bands, that present a feedpoint impedance of 50 ohms thus avoiding the need for a 1/4 wave impedance transformer. This antenna is ideal for sota and other portable operations
    [ Hits: 275 | Votes: 1 | Rating: 1 ]
  • Big Wheel Antenna for VHF - An omnidirectional horizontal polarization antenna for 2 meters band in Italian
    [ Hits: 186 | Votes: 2 | Rating: 7.5 ]
Antennas : 6M : 6 meter J-Pole Antenna
  • Simple 50MHz J-Pole Antenna EA7AHG - Based on the popular DK7ZB simple 50 MHz Jpole antenna, this customized jpole project has been analized with MMANA-GAL and reproduced for six meters, two meters and 70 cm bands.
    [ Hits: 277 | Votes: 1 | Rating: 4 ]
Antennas : Halo
  • Halo Antenna for 50 MHz - The antenna described in this article is for 50 MHz, but the design can be scaled for any band, including VHF, UHF, or even the higher HF bands. The antenna is nothing more than a square loop of wire, approximately 30" (or ~76cm) per side. The loop is fed in the middle of one side, and the opposite side to the feed point has a gap in it.
    [ Hits: 292 | Votes: 0 | Rating: 0 ]
Antennas : J-Pole
  • Exploring The J-Pole Antenna - The J-Pole antenna is a common omnidirectional antenna used in amateur radio, particularly on the VHF and UHF bands. This article is an attempt to explore how the J-pole antenna transforms feed-line impedance to free-space impedance, all the while providing gain found only in the more expensive commercial products.
    [ Hits: 142 | Votes: 0 | Rating: 0 ]
Antennas : Lindenblad
  • Build a twin-lead Lindenblad Antenna for 70cm and 2m - This document contains the detailed instructions to build a homemade lindenblad antenna using a twin-lead as dipole elements. This document contains 9 pages and includes a detailed construction sequence and some drawings to build this antenna for UHF and VHF ham radio bands
    [ Hits: 1268 | Votes: 3 | Rating: 8.67 ]
Antennas : Magnetic Loop
  • Magnetic Loop antenna for VHF - A magnetic loop antenna for the VHF band, featuring a high gain that can be compared to a quarter wave vertical antenna
    [ Hits: 730 | Votes: 9 | Rating: 5.99 ]
  • Magnetic Loop Antenna for 2 meters - A small, easy to build, copper tube magnetic loop antenna for the 2 meters band. In Italian
    [ Hits: 275 | Votes: 3 | Rating: 9.33 ]
Antennas : Portable
  • An automatically tuned 7 to 30 MHz mobile antenna - For every radio amateur who loves to travel by car, a mobile installation soon becomes a necessity. While in inhabited areas there is usually some coverage of VHF repeaters, in many other places VHF radios are useless. In these very places, HF can provide reliable contacts, and a lot of fun, from anywhere.
    [ Hits: 258 | Votes: 1 | Rating: 10 ]
  • 2 Meter Portable Yagi Antenna - 144MHz 2m Portable Yagi VHF Beam Antenna. This page contains construction details on a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use.
    [ Hits: 135 | Votes: 0 | Rating: 0 ]
Antennas : Quad
  • Designing VHF/UHF Quad Antenna - The information in this article has come from many amateur sources, the most notable was from WA6TEY (sk 1985) Ray Frost, who was a pioneer of VHF Quad designs and one of the best Southern California Transmitter Hunters. Ray built hundreds two meter quads in single and paired configurations as well as his famous mobile radio direction finding quad.
    [ Hits: 961 | Votes: 7 | Rating: 8 ]
Antennas : Satellite
  • A Moxon Antenna for Satellites - How to make a dual-band VHF/UHF handheld Moxon Antenna to work satellites
    [ Hits: 432 | Votes: 4 | Rating: 7.25 ]
  • Homemade Satellite Yagi - In this article author illustrate a homemade yagi antenna for satellite operations. The antenna includes a VHF antenna and an UHF antenna with a band splitter.
    [ Hits: 203 | Votes: 2 | Rating: 7.5 ]
Antennas : VHF UHF
  • Dual Band VHF UHF Yagi Antenna projects - On this page are designs for Dual Band 2M / 70cm antennas. All antennas are 50 ohm designed driver. These Yagis have a unique element called a Open Sleeve. 4 Element 5 element and 9 element Dual Band - 2M / 70cm antenna projects
    [ Hits: 752 | Votes: 4 | Rating: 5.75 ]
  • ZigZag Antenna - VHF/UHF unconventional antennas - An unconventional antenna family, the VHF/UHF Zigzag Dipole Antennas. Design, theory and practical construction, transformation and balancing with a half wave balun.
    [ Hits: 745 | Votes: 2 | Rating: 8.5 ]
  • VHF-UHF Long Boom Very High Performance Antenna Designs - Experimental Long Boom Antennas - CP, LPDA, multiband with several NEC Files for 50MHz 144MHz 222 MHz 432MHz but also 902MHz and 1296 MHz Antenna projects. Includes also for each antenna model, in a general comparison table each antenna characteristics including Directive Gain, G/T, E-F/R, H-F/R abd Boom Length. This is a great value comparison table of several commercial and home made VHF UHF antenna projects.
    [ Hits: 188 | Votes: 1 | Rating: 10 ]
  • Double Quad Antenna for VHF UHF - The structure of this dual band VHF UHF antenna is very simple. It consists of two identical square loops, whose sides measure a quarter wave, connected together at the ends. A project by I5NZR
    [ Hits: 247 | Votes: 6 | Rating: 6.33 ]
Antennas : Yagi
  • 3 Element Yagi Antennas for 144 MHz SSB-CW - A great and efficient monoband VHF portable antenna. The article consist of two version of a 12.5 Ohm 3 elements yagi beam antenna plans for the two meter band, a full sized and a shortened version expecially designed for the SSB and CW on 144 MHz.
    [ Hits: 426 | Votes: 4 | Rating: 8 ]
DX Resources : Contest : Contest Stations
  • Building a VHF Contest Station - Building an amateur station for competitive radiosport involves a number of critical steps, regardless of the band or bands you focus on. These include, but are certainly not limited to: Station layout, Equipment interconnection and switching, Inter-station interference, Antenna selection. Radio interface with the logging program, CW and voice keyer integration, Rotator control
    [ Hits: 327 | Votes: 1 | Rating: 4 ]

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