lfa antenna design

Antenna Basics - Article designed to answer basic questions about antennas

15m Delta Loop - Delta Loop Antenna for 15m

Delta Loop for 50 MHz  ^pop - Delta loop and vertical antenna plans with translation in italian

50 Mhz 6 element yagi - G3PTO antenna drawing plan for a 50Mhz 6 Element Yagi

Inexpensive GPS mobile Antenna - An inexpensive external GPS antenna, for 1.5 GHz band for GPS receiver, If you operate APRS or just need an external antenna for your GPS receiver, here’s one that is easy to build yet offers surprisingly good performance in a compact size. Best of all, it uses commonly available components and materials.

A half slooper for 160 meters - Italian article includes picturer and plans to homebrew an half-slooper antenna for 160 meters band

10M Vertical Antenna - A vertical antenna plan for 10 meters band made with copper pipe and PVC pipe

Everything RF - everything RF is a web portal for RF & Microwave Engineers providing News, Design Articles, Information on new products and a component search engine which helps you find the RF & Microwave Components that are right for you.

DWM Communications - Manufacturer and direct seller of shortwave and ham radio antennas and accessories like TINYTENNA & YO-YO-TENNA

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

Fractal Antenna Systems - Solution to your OEM needs and can meet your design or vended antenna requirements for antennas from 400MHz to 10 GHz.

ZCG Scalar - Designers and manufacturers of radio Frequency antennas. HF - 3000 MHz TET Emtron HF Yagis, Antennas for Wireless applications, Marine antennas, Land mobile, Mobile antennas.

Spectral - High End isopole VHF & UHF antennas for Amateur, Commercial and Military applications.

ARDF Projects by WB2HOL - Antennas, attenuators, Fox Timers and Controllers and Fox Transmitters

AA9CC Web Page - A few foxhunt reports, a phased array antenna plotting program and some cool links.

Icom AH-4 information site - A web site dedicated to the Icom AH-4 antenna tuner

Ham Radio Toys - Amateur Radio antennas and accessories since 1990

Cb City - Authorized dealer for ranger magnum wilson francis k40 antennas wilson cell antennas ect.

Smith chart - Match & display imped of antennas, can graphically visualize and compare two sets of measured impedances simultaneously.

Frequency Filer - Frequency Filer is database program designed for people who use a great many different radio frequencies. It is primarily intended for amateur radio operators, short-wave listening enthusiasts and scanner users. The program makes it easy to keep all of your important frequency information in one place, displayed in a logical format to facilitate easy retrieval. Frequency information can be displayed as a list and can be viewed on a world globe. Other features include easy data backup and custom field names. Included is database import utility that can be used as a general file conversion utility. The globe display can also be used as general geographic aid for countries, cities, states, rivers, and lakes. You may even find your home town. Windows Shareware

Frees - Calculates the freespace range of a radio-link. It is useful for radio amateurs, radio engineers and for SETI signal estimations. Calulation of parabolic dish antenna-gain is included.

Duplex 144 432 - A full duplex antenna system for 144 432 Mhz

Ham Radio Circuits  ^pop - Circuits of SSB Transceiver, AM DSB Transmitter, Antennas, BFO, VFO, 807, FM Mike, Crystal filter and more.

Homebrew projects by dl5dbm  ^pop Priority listing - KW,2-meter,6-meter,antennas,amplifiers,preamps,powersupplys, and more

Impedance Bridge - by Harry Lythall SM0VPO