elements

elements

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• 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: 7915 | Votes: 5 | Rating: 9.4 ]
• A 5 elements Vee log-yagi for 10m - 5 elements "vee" log-yagi for 10m band- boom lenght : 4mt. Gain : over 10 dBd , f/b =over 40 db (deep null) f/b= min 20dB for different polarization signals
  [ Hits: 4609 | Votes: 11 | Rating: 7.82 ]

• Experiments with a Moxon Rectangle antenna - An easy to build moxon antenna for portable use. A Moxon Rectangle is a two element beam, where both elements are folded towards eachother.
  [ Hits: 3740 | Votes: 6 | Rating: 8.67 ]
• 2 Elements HB9CV - 2 meters band HB9CV antenna
  [ Hits: 22556 | Votes: 71 | Rating: 5.61 ]
• 13 elements Yagi antenna for 144 MHz - DJ9BV yagi antenna for 2 meters band
  [ Hits: 8897 | Votes: 36 | Rating: 6 ]
• The 2-Element-HB9CV-Beam - The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. This beam antenna is a coax-feeded version of the ZL-Special construction by DK7ZB for 2m, 6m and 10m
  [ Hits: 19715 | Votes: 407 | Rating: 7.56 ]

• Hairpin match for the 5 elements Tonna for 6 meter - How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db!
  [ Hits: 2435 | Votes: 6 | Rating: 6 ]
• WB7PMP 4 and 7 elements yagi for 50 Mhz - Original drawing and design of a 4 and 7 elements yagi antenna for 50 Mhz
  [ Hits: 1615 | Votes: 6 | Rating: 4.83 ]
• 3 element 50 Mhz Yagi - A 3 elements long yagi antenna for 6 meters band by ON6MU
  [ Hits: 12533 | Votes: 43 | Rating: 4.96 ]

• Crossfire Phasing - Phased antennas elements use radiated fields from multiple elements to produce nulls.
  [ Hits: 1189 | Votes: 3 | Rating: 9.33 ]

• The Bazooka antenna - The Bazooka-antenna was developed by the staff of M.I.T. for radar use. The original Bazooka used coaxial cable for the entire radiating elements.
  [ Hits: 4358 | Votes: 3 | Rating: 6.67 ]

• Echelon-Log Beverages - About beverage antennas, Enhanced F/B Beverages, Bandwidth of Directivity, arrays. This article describes two phasing systems for Beverage antennas that improve directivity and cancel rearward signals. These systems use lossy elements and require minimal components to achieve broadband performance.
  [ Hits: 1860 | Votes: 1 | Rating: 10 ]

• Yagi Element Mounting Considerations - One of the most important considerations when designing and building a Yagi antenna is the method used to attach the elements to a boom. This is true because the boom influences the electrical length of the elements. In this article JH Reisert explain with drawings techniques on mounting yagi antenna elements to a boom
  [ Hits: 4306 | Votes: 2 | Rating: 8.5 ]
• Mounting elements to a boom - Here is an easy method to mount elements to a boom, this can be realized at home, without the need of special tools
  [ Hits: 2153 | Votes: 3 | Rating: 5.67 ]
• Use of tripods to assemble and balance big antennas - Here is a way to ease assembly and balancing of a large antenna. The elements and boom are assembled separately in most cases. Once they are all together set up 2 tripods in the assembly area and put the boom on them.
  [ Hits: 2160 | Votes: 1 | Rating: 10 ]

• 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 ]
• HF multiband vertical Antenna - YF1AR multiband vertical antenna, based on orginal concept by VE7BS. Consist of 6 vertical elements and 6 base radials with a single 50 Ohm feed line.
  [ Hits: 1542 | Votes: 4 | Rating: 3.25 ]

• 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: 15051 | Votes: 4 | Rating: 7 ]

• Quagi Designer - Quagi antenna design, this little windows application let you calculate dimensions of elements and spacing of a quagi antenna. Freeware by VE3SQB
  [ Hits: 5669 | Votes: 24 | Rating: 4.91 ]

• 4 element yagi for 20 meters - Pictures and plans of a 4 elements yagi beam antenna for 14 Mhz
  [ Hits: 13795 | Votes: 26 | Rating: 4.33 ]

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