4 element antenna

187 links

DIY 4 Element Yagi - A home made 4 element yagi antenna that can be easily adapted for 10 meter band
[ Hits: 442 | Votes: 4 | Rating: 7 ]

4 Element Yagi for 18 MHz - A 4 element yagi beam antenna for the 17 meters band with pictures and element dimension and spacing
[ Hits: 740 | Votes: 4 | Rating: 6.25 ]

Super Duper Moxon for 144 MHz - 6 element super duper moxon antenna for the 144 MHz, a modified HAARP Antenna projetc
[ Hits: 1932 | Votes: 6 | Rating: 5 ]
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: 508 | Votes: 0 | Rating: 0 ]
Lightweight 144 MHz Yagi antenna - A Lightweight 2m Yagi for SOTA. The boom is 20mm PVC electrical conduit and the elements are 2.4mm aluminium TIG welding rod. The antenna is carried as a single length of conduit with the elements stowed inside the boom, sealing them in with a bung. The driven element is connected directly to 50 Ohm coax with a BN-43-202 balun core to decouple the coax shield.
[ Hits: 178 | Votes: 0 | Rating: 0 ]

2 Element 30 meter Yagi Antenna - Dimensions and EZNEC plots for a 2 Element 30 meter Yagi antenna with 28 Ohm featuring 4.3 dBd Gain and a 16dB F/B with a good bandwidth.
[ Hits: 914 | Votes: 2 | Rating: 6.5 ]

3 Element Yagi for 40 Meters ^updated - An homebrew project for a 3 element coil-loaded Yagi beam antenna for 40 Meter band
[ Hits: 1084 | Votes: 3 | Rating: 5.67 ]

6 Meter Band Moxon Style Antenna - Design and build a 6 meter 2-element Moxon antenna mostly from available aluminum tubing and angle stock.
[ Hits: 616 | Votes: 1 | Rating: 1 ]

2 elements Folded Yagi Antenna for 6 Meters - 50MHz Collapsible 2 Element Mini Beam antenna, an overview the development of the 6MBA.
[ Hits: 740 | Votes: 1 | Rating: 10 ]
3 Element Beam for 50 MHz - A six meter band 3 element yagi beam antenna project with shortened elements using coax cables with the outer ends stripped and the center conductor shorted in somewhat of a Bazooka antenna.
[ Hits: 424 | Votes: 1 | Rating: 8 ]
6 Elements Yagi Antenna on 50 MHz - This is a design based on the QuickYagi 4 software by WA7RAI with some changes for practical reasons. The beam uses 6.5 metres of standard 25mm square boom, 12mm diameter elements without tapers. The actual boom length used is 6.3 metres and all parts are readily available.
[ Hits: 134 | Votes: 2 | Rating: 6 ]
3 Elements Yagi LFA for 50 MHz - A short 3 element LFA Yagi for 50MHz with a 1.94M boom. This antenna has been designed in order to minimise the upward and downward lobes typically seen the the EL plane on Yagi antennas.
[ Hits: 226 | Votes: 2 | Rating: 8 ]

Coaxial Collinear Antenna for 70 CM Band - This coaxial collinear antenna was built to test for my own consumption whether or not this antenna method actually works. the guiding principle is that we have multiple 1/4 wave elements fed in series , the radiation from each adds in phase to produce a large vertically polarised omni-directional antenna with substantial gain
[ Hits: 575 | Votes: 3 | Rating: 6.33 ]

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: 1279 | Votes: 3 | Rating: 8.67 ]

9 Circle RX antenna - The receiving antenna setup for the top band, made with a 9 elements vertical antenna array, remote controller and remote relais.
[ Hits: 437 | Votes: 0 | Rating: 0 ]

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: 753 | Votes: 4 | Rating: 5.75 ]

Cobra Antenna - A folded dipole - A wire dipole antenna for the 80 and 40 meters band obtained by folding elements of a dipole and feeding with a 1:4 balun.
[ Hits: 1053 | Votes: 5 | Rating: 6.8 ]
Lazy H Array Antenna for 40 meter - Make them simple then Make them work. The LAZY H antenna is a general type of antenna that is in the curtain array family. By placing two 1 wavelength dipoles in a plane that is at right angles to the direction of maximum radiation and keeping the proper in-phase current condition to each element, you can achieve a high gain bi-directional antenna.
[ Hits: 284 | Votes: 3 | Rating: 5.33 ]

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: 427 | Votes: 4 | Rating: 8 ]

Hy-Gain TH3jr Beam Manual online - Hy-Gain TH3jr Tri-band HF 3 Element Beam Covers 10, 15 and 20 Meters assembly instruction manual
[ Hits: 180 | Votes: 2 | Rating: 5 ]