Search results

Overview, summary, tutorial about the dipole antenna or dipole aerial that is widely used on its own and as the basis for other antenna designs.

Nagara Japanese ham radio antenna manufacturer

Notes on homebrewing antennas by Chris G4CYA, from gamma matching, to phasing antennas, splitters and combiners, baluns and measuring techniques.

Testing and comparison of traps and trap antennas

A 40 ft vertical dipole antenna that can cover HF Bands from 80 to 10 meters winding a dipole in a 12m HD telescoping fiberglass pole

The Charles Gizmotchy high performance horizontal and vertical beam antennas. Two, Six, Ten and eleven meters antennas

An article on TX and RX antennae for the low bands 80 and 160m by EI7BA

This is a 70cm big wheel antenna which is used at DB0FAI beacon

An homebrewed dipole antenna for 14MHz

A vertical antenna for the top band, made with a 26m fiberglass spiderpole by DJ0IP

VE7CA experiments on 160 meters band antennas, looking for better performances on reception.

Crossed-Field Antennas and E/H Antennas

The Homebase10 is a simple to make wire halo antenna for 10m (28MHz) built using parts available from the local DIY store.The resulting antenna is very effective on 10m despite its small size and light weight.

How to turn a G5RV antenna into a 160 meter band antenna with easy to find parts. A G5RV adapter for tob band by Thomas AD1B

Excel sheet containing technical comparisons of commercial HF portable antennas compiled by ON4SKY. Includes pictures, manufacturer, db gain, band coverage, F/B ratio, price, weight and dimensions.

Launching a balloon or kite supported tall vertical or protracted inverted L.

ARRL index of document about trapped antennas and notes on traps usage

A compact Beam Antenna That Can Be Built At Home. Made with lightweight wooden "X" frame with two folded and linear loaded wire elements. The two elements are approximately a half-wave each.

Article on rhombic antennas, radiaton patterns, disvantages, and more info on rhombic aerials

This doubet antenna is a half wave dipole antenna easy to build, in french

Presented here is a high-performance, circularly polarized omni-directional antenna that is easy to build, easy to tune, inexpensive, and will work all the mode J Low Earth Orbit (LEO) satellites

Double bazooka antennas

Overview, summary, tutorial about the log periodic antenna or aerial used for wideband RF antenna applications

Vortex Antenna Systems, radio communication antenna aanufacturer and supplier of antenna related hardware. Ham radio HF and VHF Antennas, antenna parts, mast and mounts.

An analysis of the cebik dipole and other small limited space dipoles fed with open wire ladder line.

K6SGH introduce the hamloop antenna L7 series

Also known as Magnetic Loop Antennas, by AA5TB. Excellent article on construction tips and tecniques of a Small Loop antenna

MARS, Israel's Antenna and RF System manufacturer, flat antennas for cellular, military broadband, multiband MF high power antenna

This project outlines the construction of a 3-element reversible quad antenna specifically designed for the 40-meter band. The materials required include pushup towers, pressure-treated posts, insulated wire, and various electrical components such as relays and a balun. The construction process is straightforward, beginning with the installation of the posts in a straight line, followed by the assembly of the antenna elements and their elevation to the desired height. The antenna's design allows for directional signal reception, making it ideal for operators looking to enhance their communication capabilities on the 40-meter band. The project includes detailed instructions on tuning the antenna for optimal performance, ensuring that operators can achieve the lowest SWR possible. Additionally, the design can be adapted for other bands by extrapolating dimensions, providing versatility for amateur radio enthusiasts. Overall, this reversible quad antenna project is suitable for both beginners and experienced operators, offering a practical solution for improving signal strength and directionality in 40-meter communications.

20m 2-element light-weight Yagi antenna

Custom built amateur radio adjustable antennas and accessories. Screwdriver antennas, antenna controllers

Why 6 meter hams design the best antennas

D3+ High Performance Antennas for Field Day. This article describes versatile broadband wire antennas. These antennas will double your effective radiated power over a dipole, will be easy and inexpensive to build and install, and will be simple to match.

A well documented article on a small magnetic loop antenna for the 40 meters band

Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.

A basic article on end-fed antennas by KB6NU

The no counterpoise antenna

To enable switching of a large number of antennas in a two radio setup, and get a smooth solution, calls for a lot of consideration.

2 element reversible verticals, small footprint, big results.

Posts about bazooka antennas at towertalk mailing list

Fractal Antennas are a new generation of multiband antennas for wireless communications. Based on a new design concept, fractal technology.

Compact HF antennas for home and mobile use, compact HF maritime antennas, manufactured by multi-band antennas

Multiband and monoband HF Vertical antennas and rotatable dipoles manufacturer based in Texas USA

Long Waves, Short Antennas, designing antennas for MF and LF communications

Portable magnetic loop antennas - G4TPH Mag-loop antennas Reviewed in PW and RadCOM, Both QRP and QRO, Portable. The only Magloop on the market that is fully portable

A different approach can help you optimize attic-bound aerial by W6HPH

The Swedish EH Antenna Group

An introduction to antennad including a DIY assembly instruction for a A Ground Plane Antenna for NOAA Weather Stations

Land communications and marine antennas

This is a 200 Watt PEP step up transformer for end fed full and half wave antennas without radials, designed as a 200 Watt PEP