feed line calculation

The 9:1 balun  ^pop - Antenna special on hard-core-dx.com

Balun single core 4:1 analysis - Real 4:1 Transmission Line Balun with Balanced Load

Line Isolator System - A system view of the line isolator

Choke balun  ^pop - Essentially, a choke balun is designed to 'divorce' your antenna from the feed line. if your feed line is coaxial cable then you don't want it to be part of your antenna. you want to be able to deliver all your power to the radiator itself, i.e. 'the antenna'. a choke balun does this admirably

EA6VQ - Open wire feeding and baluns - Discussion about open wire feeding and baluns took place in the Moon-Net reflector.

A homebrew 10-element 900 MHz quagi - A 10 elements quagi antenna for 900 mhz

K5OE, 70 cm Quagi Antenna - An AO-10 antenna by K5OE, this design is optimized for 436.8 mHz with a 50 Ohm feed

DirectionalBiQuad - Seattle Wireless - A biquad is a fairly powerful antenna which is relatively easy to construct, with impressive performance for their size. A link greater than 5 miles can be made with a pair of these as a stand-alone antenna and a Prism2 100mW card, provided you keep coax short, and your line-of-sight is clear.

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

IW0QNL's HamRadio Web Server - Packet Cluster and BBS hamradio online, Server APRS and other.

IV3YER - Personal page with online log and shack information

KU4AB Antennas - VHF UHF Antennas, SQ line antennas

CWS ByteMark - CWS ByteMark's Baluns (Balanced to Unbalanced) and Ununs (unbalanced to unbalanced) transformers are developed jointly with Dr. Jerry Sevick, W2FMI, who is known worldwide for his work on transmission line transformers

Using the Heath SB-200 Linear on Six Meters - Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V

GM Mobile RadioInstallation guidelines - GM Radio Telephone / Mobile Radio Installation Guidelines

Hamcity.com - Communications warehouse amateur radio equipment. Hamcity is the virtual store front of Jun's Electronics & Commline, Inc.

Army Radio Sales  ^pop - Devoted to all sorts of military radios and their hardware, as well as other interesting military items, and military vehicles. Army Radio Sales website contains a wealth of free information on military radios and military vehicles, as well as on-line manuals, your very interesting articles, thousands of pictures, as well as a fully automated free classifieds advertising section to advertise your needs.

ALA Amplifiers - Canadian dealer for many RF Amplifier brands

Kitmondo: used test equipment - Kitmondo is an online marketplace for used test equipment and measurement equipment including analyzers, oscilloscopes and generators equipment.

Logger32 for 11m - Logger32 special version dedicated to eleven meters band operations

WZ1V's VHF modifications page - A collection of modifications to the AM6154/55 linear amplifier

10 W Linear Amplifier - This article describes a 10 watt linear amplifier that is capable of delivering over 15 watts into 50 ohms and uses cheap plastic transistors that are used in CB equipment. by Harry Lythall - SM0VPO

Homebrew 813 Linear Amplifier - 813 Linear Amplifier Project includes many schematics, drawind and assembling construction

Battery University - On-line resource that provides practical battery knowledge for engineers, educators, students and battery users alike. The papers address battery chemistries, best battery choices and ways to make your battery last longer.

Alkaline Battery Comparisons