2 el yagi

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Antennas : 10M Antennas : 2M
  • 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: 6379 | 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: 5151 | Votes: 15 | Rating: 5.27 ]
  • A portable 2-element VHF yagi  pop - 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: 26762 | Votes: 21 | Rating: 7.38 ]
  • Portable Yagi for 144MHz - Simple 7 element Yagi is ideal for portable operation. The elements can be removed and replaced in a few minutes. The 2.42 m boom will fit inside a car, the elements are made from 6mm solid aluminium rod.
    [ Hits: 13394 | Votes: 32 | Rating: 6.75 ]
  • Stacked 7-Element-2m-Yagis - These yagis and groups were designed with YO7.23 from K6STI and checked with EZNEC from W7EL. With a gain of 14/17/20dBd they have a good relation between gain and mechanical problems.
    [ Hits: 3670 | Votes: 6 | Rating: 4.67 ]
  • 13 elements Yagi antenna for 144 MHz - DJ9BV yagi antenna for 2 meters band
    [ Hits: 7340 | Votes: 31 | Rating: 5.43 ]
  • 2 Meter 10 Element Quagi Antenna - This antenna was designed by N6JSX Kuby for Transmitter hiding. Fitting the requirements of directionality, high gain, and portability. This antenna was derived from the ARRL Handbook information on Quagi's and Yagi's; in the absence of two meter Quagi information, UHF Quagi dimensions were scaled into 146 MHz use.
    [ Hits: 13602 | Votes: 24 | Rating: 6.91 ]
Antennas : Feed Lines
  • Transmission Lines - Whenever you choose a coax feedline, the frequency of operation is a very important consideration. Over the operating bandwidth of the coax the VSWR is low, typically 1.2:1 or better. Insertion loss is also an important parameter. It is usually specified in dB/foot and is a linear relationship.
    [ Hits: 1157 | Votes: 0 | Rating: 0.00 ]
Antennas : Portable
  • A tri-band 2 element portable Yagi - HF Wire Yagi antenna with notes and eznec file on original article of a Portable 3-Band Yagi antenna for 10-15-20 meter band made with wire elements. Include link the original to QST article.
    [ Hits: 14199 | Votes: 4 | Rating: 7.00 ]
Antennas : Quad
  • Assembly of the Lightningbolt Quad - One of the best antenna values on the market is the LightningBolt Quad. At about half the cost of a tri-band yagi, you get five band coverage with a single coax feedline and excellent performance from a light, low wind load antenna.
    [ Hits: 3449 | Votes: 10 | Rating: 6.80 ]
Antennas : Theory
  • Antenna Modeling Files - A collections of antenna models submitted to arrl and can be used with NEC-4 or Yagi Optimizer modeling programs
    [ Hits: 2377 | Votes: 5 | Rating: 5.80 ]
Antennas : WiFi Antennas : Yagi
  • RDF2 two element, close spaced Yagi antenna - This antenna is an adaptation of the RDF2 two element, close spaced Yagi antenna described in the May, 1996 issue of 73 Amateur Radio Today Magazine.
    [ Hits: 8775 | Votes: 8 | Rating: 4.49 ]
  • A two element yagi bean - Simple gain antennas for the beginner, a 2 element yagi antenna
    [ Hits: 4477 | Votes: 9 | Rating: 5.78 ]
DX Resources : DX Peditions
  • The VHF Dxpedition to Dominica - Main goals of this dx pedition was test out a MID SIZE 2MXP20 dual polarity or cross polarized Yagis in a field environment and shoot for a record number of EME QSO's using this system
    [ Hits: 401 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Test Equipment : Power Meter
  • Telewave - Telewave's innovative engineering produces the industry's toughest antenna systems. Yagi, Fiberglass Collinear, and Dipole models are available from 66-2500 MHz. Wattmeters, test equipment,rf power meters, duplexers, filters and cavities, transmitters combiners
    [ Hits: 1703 | Votes: 0 | Rating: 0.00 ]
Software : Antenna analysis
  • Yagi Modeler Applet - This java applet/application implements a simple yagi modeling code. The initial input is a really trivial 2 elmenent yagi.
    [ Hits: 2567 | Votes: 25 | Rating: 6.04 ]
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