array of dipole
11 links
- VDA Antenna for 30m
new
- This project documents the construction and enhancement of a 30m Vertical Dipole Array (VDA) antenna inspired by Remco 7QNL article. Initial design utilized an 18m Spiderbeam pole and a 4m boom. Improvements included a lighter boom structure using fishing rods and a revised coaxial arrangement for enhanced mechanical stability.
[ Hits: 38 | Votes: 0 | Rating: 0 ]
- Log-Periodic Dipole Array Calculator
- This LPDA calculator is based on the design procedure as described by L. B. Cebik, W4RNL (SK) in the 21st edition of The ARRL Antenna Handbook.
[ Hits: 483 | Votes: 5 | Rating: 7 ]
- A new stacked multiband dipole array
- A new multiband version of the lazy-h for 10, 15 and 20m. No tuner needed.
[ Hits: 907 | Votes: 2 | Rating: 8 ]
- Vertical Dipole Array
- A simple and awesome wire monoband antenna, very usefull for portable and dxpeditions usage, consist of two elements, a driver and the reflector.
This endfed halfwave gives a very low take off angle and is very suited for chasing DX.
[ Hits: 1255 | Votes: 2 | Rating: 6.5 ]
- A 5 band log periodic dipole array
- Modified version of the Telerana antenna which was orginially featured in the July 1979 issue of QST. The array is suspended within a framework made of fiberglass poles emanating from a central hub with the ends tied together with light weight rope around the perimeter. 10-15-20-30-40 meter band coverage
[ Hits: 10004 | Votes: 12 | Rating: 6.59 ]
- Log Periodic of Another Sort
- A log periodic dipole array (LPDA) antenna design that offer continuous low SWR in 13-30MHz range
[ Hits: 4819 | Votes: 2 | Rating: 9 ]
- Short Multiband Dipole Array
- A multiband shortened fan dipole. This page offers and online calculator that can be really useful if you plan to homebrew a multiband dipole for low HF bands and you don't have all needed space for the full lenght. It combines multiband dipole with loading coild for selected bands.
[ Hits: 229 | Votes: 0 | Rating: 0 ]
- Vertical Dipole Array for 20-17-15 Meters
new
- This article explores the evolution of antenna choices for DXpeditions, focusing on the shift from mono-band VDAs to a multi-band solution. It details the design and construction of a lightweight, versatile 20-17-15m VDA, utilizing readily available materials like fishing rods and IKEA breadboards. The author discusses challenges, adjustments, and offers guidance for replication.
[ Hits: 66 | Votes: 0 | Rating: 0 ]
- BiQuad Antenna for 144/440
- This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP
[ Hits: 7600 | Votes: 14 | Rating: 4.86 ]
- VHF UHF BiQuad
- This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain
[ Hits: 176 | Votes: 0 | Rating: 0 ]
- 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 ]
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