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Get maximum power to your antenna by learning how to hook up and use a tunner to properly "trick" your rig

Long range Wi-Fi antennas you can build. Helicals, parabolics, and biquads discussed. How to add external antennas to WUSB54GC and F5D7050 usb wireless adapters for long range connections.

A few hours of fun with PVC and wire and you have got yourself a respectable road radiator. The antenna consists of little more than some PVC pipe topped by a RadioShack replacement whip antenna and a couple of coils made from a small roll of #14 house wire.

Even if using a tuner this multiband antenna will let you operate from 160 to 10 meters. If you could only put up one antenna, this would be it. Project by N0KHQ.

Guide to calculate effective gain of antennas

40 meters band Delta loop antenna plan that is vertically polarised

What is the best balcony antenna? what antenna would you recommend for use on typical hotel balcony? Read some answers here

An inexpensive coax switch. shows a proven inexpensive home-made antenna selection switch. If you question the use of a cheap slide switch and SO239 coax sockets, read on. Measurements in a physics lab showed there to be practically no reflection on HF and even on 70 cm the SWR was below 1.3 : 1

Some practical indoor antennas that can be built by anyone

How to make a simple but effective Slim Jim antenna. It includes a calculator to work out all the mesurements for the frequency you require.

Here you will find information about wire antennas as well as directional beams.

Thierry LOMBRY, ON4SKY, develops in several long articles all you need to know about antennas, their design and performance, for both amateurs and SWL

Delta Loop Antenna for 15m band. This antenna is made for operating from outdoors, mainly from mobile shack. Drive to a parking you like, then build it up. Just half an hour later, you can enjoy slightly better gain than normal dipole.

A bazooka antenna project for the 7 Mhz, includes dimension for to homebrew your own bazooka for HF bands

Helix antenna calculator, to design and make helix antenna plans

a Javascript for calculating the lengths of tubing to be used for the construction of a Super J-Pole.

Build your own cobweb antenna followning M0MRR instructions and notes

Suitable antenna for owners of an IC706 or FT817, 857 and other HF portable transceivers. You can an be QRV in a few minutes on all ham-bands from 80m to 6m and even on 2m by PA0FBK

Reducing noise to your antenna can gain your aerial performance, learn how.

Manufacture CATS antenna rotator and digital controls. Service, stock, and provide parts for top quality AMERICAN-MADE antenna rotators from companies such as Alliance, C.A.T.S., CDE/Hy-Gain, and Channel Master, both young and old.

Making your own 2 metre (146 MHz) 5/8th wave whip antenna

Here is a simple and easy to build antenna in a Delta Loop configeration that should make 10 and 12 meters lots more fun if you have a limited space situation o

This project started as a result of renewed interest in 40 meters coupled with the desire for an antenna system that would be more effective than the simple dipole.

Magnetic loop antenna calculator and loop antenna design program for windows let you calculate dimensions for magnetic loops antennas, in german

This PDF File desscribes how to homemade a multi-band end-fed trapped wire antenna resonating on the low bands of 160 80 and 40 meters. Contains trap design instructions and some construction tips.

A complete site for anyone wanting to use kites or balloons for supporting Top Band antenna systems.

Design and build your own Hf thru Vhf antennas.Contains pictures, plans, parts list of very popular ham antennas along with experimental types.

So you want to build a Beverage Antenna. This article offers insights on building a two-wire Beverage antenna for better reception. Key points include using long wire (at least a wavelength, ideally two), keeping it straight and away from vertical conductors, and sloping ends for noise reduction. The author recommends copper clad wire and mentions transformer design considerations for later discussion.

All copper J-Pole antennas for sale. 6 meter, 2 meter, 222 MHz, 440 MHz, LPFM, Marine, GMRS. Includes a construction plan in pdf format if you wish to build your own antenna.

A half sloper antenna for 160 meter band Italian translation of a WD8DSB article appeared in a QST issue during 1998. This article presents a **Reduced-Size Half Sloper Antenna for 160 Meters**, designed for amateur radio operators with limited space. By utilizing a 40-foot tower or a tree, you can build an efficient antenna that slopes down, achieving a 2:1 SWR bandwidth of 120 kHz. This innovative design allows for effective communication on the "Top Band," making it ideal for winter DXing.

Design your own quadrifilar helix, the site even generates a drilling pattern in a PDF file. Several different construction methods are shown.

The Petlowany Three-Band Burner is a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters). This web page contains pictures, performance data, and enough construction details so you can homebrew your own.

Notes on building a basic wire vertical or horizontal antenna for 160 meters band by L. B. Cebik, W4RNL

Freeware antenna software that lets you see what the polar diagram of your rotatable beam actually looks like where it is operating. With PolarPlot you can measure the polar diagram of the antenna and check for abnormalities - compare plots taken before and after changes to the design or location - check the -3dB beamwidth - look at the front to back ratio - see the size and position of the sidelobes.

Quagi antenna design, this little windows application let you calculate dimensions of elements and spacing of a quagi antenna. Freeware by VE3SQB

Design your own folded dipole antenna

What is the best WiFi antenna for me? Looking for a range extender antenna for your WiFi system. This article will help in choosing the correct antenna for your system

Isotron antennas are low-profile HF antennas. If you need a small antenna, then an Isotron may be the answer. Bilal isotron antennas.

If you have a small lot and want on 160 meters this is our version of the antenna by K5CBL Troy

Short guide to build your own groundplane antenna, includes radial measurements fro warc bands

The W3DZZ trap dipole is a versatile and economical antenna option for amateur radio operators looking to work multiple bands without the need for extensive equipment. This antenna design utilizes traps to allow operation on various HF bands, making it suitable for both casual operators and serious DXers. Its construction is straightforward, making it accessible for beginners while still providing excellent performance for seasoned hams. Constructed with readily available materials, the W3DZZ trap dipole can be built to fit specific band requirements, allowing operators to optimize their setup for the frequencies they intend to use. The design is particularly favored for its ability to maintain a low profile while delivering effective radiation patterns. Whether you're contesting or chasing DX, this antenna can enhance your station's capabilities without breaking the bank.

You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM

If you have ever tried transmitting on HF from a tall block of apartments, where it's just not possible to erect a substantial aerial system, then this article is for you

Unified Microsystems presents a range of amateur radio products, notably the **XT-4 MK2 CW Memory Keyer**, a battery-powered iambic keyer designed for portable operations like Field Day, POTA, SOTA, and DXpeditions. It features four non-volatile memories, each storing approximately 240 Morse characters, and operates at speeds from 8-45 WPM. The XT-4 MK2 also includes an auto power save function and paddle reverse, making it adaptable for multi-operator setups. Beyond the XT-4 MK2, the site details the **W9XT Contest Card**, a PC plug-in board offering DVK and CW interface capabilities, allowing operators to record and playback CQs and contest exchanges. Other offerings include the BevFlex-4X RX Antenna System, RAS-4 RX Antenna Switch, VK-64 Voice CW Keyer, and various USB interfaces. Additional products cover electronic development, such as the ATS-1 Terminal Shield for Arduino™ and VR-X Power Supply Voltage Regulators, demonstrating a broader scope beyond just operating accessories. The XT-4Beacon MK2 / CW IDer is also highlighted for beacon projects, capable of storing messages up to 5 minutes at 25 WPM.

QTH.COM offers a comprehensive platform for amateur radio enthusiasts to buy, sell, and trade equipment. This online service is designed to facilitate transactions between hams, allowing users to list their gear for free. Whether you're looking for HF or VHF equipment, antennas, or even vintage radios, QTH.COM serves as a hub for all your ham radio needs. The site is user-friendly and accessible, making it easy for both seasoned operators and newcomers to navigate the listings. In addition to individual sellers, QTH.COM also attracts dealers and manufacturers looking to reach a wider audience. With a diverse range of categories, including military radios and radio tubes, users can find unique items that may not be available elsewhere. The platform's commitment to providing a free service ensures that all hams can participate in the marketplace without financial barriers. Join the community at QTH.COM and discover the best deals in the ham radio world.

MoxGen will show you the dimensions and generate an antenna model file for a 50 ohm Moxon Rectangle antenna, given the design frequency and wire size

These devices are called Traps, but they are actually more like frequency sensitive switches. They are parallel resonant, high Q, tuned circuits which provide a very high impedance at their frequency of resonance.

Calculate your dipole, 3 element yagi and a simple dipole

If you want an antenna resonoant on the 160 meters band this is a possible solution, but of course, need space.

KF4SCI picture of a project for a VHF UHF jpole antenna working on 220 and 440 MHz.