phase array antenna

Double Extended Zepp Antenna  ^pop - This double extended Zepp provides 3 db gain over a dipole on the band it is designed for. Each side or leg is about 5/8 wavelength long.

How To Make A Homebrew 4:1 Balun  ^pop - I built a homebrew 75 meter Double Extended Zepp Antenna, And I needed a 4:1 Balun So I decided to Homebrew the Balun also. Here is how I did it!

Beverage antennas notes - how to build a beverage antenna

KB1DIG's 2 Meter Antenna Design Gallery  ^pop - Home-brew antenna designs for VHF. 2-meter colinears, 2-meter Halo, and 6-meter Halo

Testing EH Antennas - EH antenna tests report by Claudio Re, I1RFQ in pdf format

W8JI Technical pages  ^pop - Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.

6 Meter J-Pole Antenna  ^pop - Amateur radio project by W8CWE

Choosing wire for an antenna  ^pop - One of the most asked questions when it comes to antennas is what kind of wire should I use

Limited space antennas - more limited space antennas

Apartment antennas notes - HF Ham Radio antennas for apartments and methods of shortening antennas

Integrated Publishing Basics - Radio wave propagation, Principles of transmission lines, Antennas

Antenna basics  ^pop - Basics by From Ian C. Purdie, VK2TIP

Basic Antenna Theory  ^pop - Basic antenna theory by sub-TV

Why an Antenna Radiates - How antenna works by ARRL

FAQs - Basic Antenna Theory - Faqs and antenna basics

Radiation and scattering - Basic antenna theory, Antenna directivity and effective area, Antenna arrays

The Antron 99 exposed!  ^pop - Have you ever wondered what was inside the Antron 99 antenna?

BSC Associates - A consultant's site with a wide range of material relating to antennas for many applications.

NI4L custom dipoles - ni4l resonant dipole custom fan dipole antenna hf

International Technology Antennas - Yagi monobanders, multibanders, dipole, verticals, balun, MTFT.

Laipac Technology Inc. - We are committed to constantly improving our solutions in areas of GPS System, GPS Receivers, GPS Antennas, GPS Dataloggers, RF Modules, Wireless Security Systems, Automatic Vehicle Location (AVL) for real time and passive tracking

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

Elettronica Turrisi - TRasceivers HF-VHF-UHF, repeaters, GPS, antennas, based in italy

Design and build helix antennas - An on-line javascript calculator and quite a few pictures to show how to make a helix antenna.

MultiNEC - MultiNEC can automate the repetitive steps of antenna modeling. You can start by building the model from scratch or by importing an existing model in any of several formats. Then you can run multiple test cases while letting the program make small changes to the model between runs. MultiNEC can be used by itself if you like, but it really shines when used in conjunction with your existing antenna modeling program. MultiNEC works with EZNEC Standard, EZNEC-M Pro, EZNEC/4 Pro, NEC-Win Plus+, NEC-Win Pro, GNEC, Antenna Model (Teri Software), and 4nec2