icom ic r20

Delta-Loop for 40 Meters - Two-element Parasitic Delta-Loop Array for 40 Meters by WB3HUZ

Quad calculator  ^{updated  pop} - Cubical quad antenna calculator in java script

The Carpet loop indoor antenna  ^pop - High performance indoor shortwave antenna, the Carpet Loop II is an ideal step upward for the listener who wants something better than a random wire but doesn't want the expensive dice roll of an active antenna.

Cubical Quad Antenna Design  ^pop - By N6VNG, can be used to determine the element lengths and the gamma match values for different frequencies, includes link to excel files with formulas to dimension your quad antenna.

K7HC SteppIR and Tower project - Pictures of K7HC SteppIR and tower setup project

Sugar Delta - Special Dx'ers Radio Group - SUGAR DELTA Official Home Page. DX Information, Fresh News, Downloads, Online Directory, Logs

The National Contest Journal - The National Contest Journal, published bimonthly by ARRL, features articles by top contesters, letters, hints, statistics, scores, NA Sprint and QSO Parties

Tampa Amateur Radio Club - Since 1922 Tampa's largest Ham organization. Dedicated to hams by hams. Classes in theory, code, and experimentation are a regular event.

Novices Notes - Novice Notes Online is Australia's top Internet site for beginners to amateur radio

IK5BCU Marco - Dedicated to:jnos tcp-ip packet radio

Delaware County -Muncie - Indiana Police Scanner - Live Muncie Police Department - Indiana & Delaware County Indiana Sheriff Radio Scanner

Alpha Delta - Alpha Delta quality accessories for commercial and amateur radio communications

Energy Maintenance Service - Full service provider of high quality, cost effective products and services to the North American wind industry with an emphasis on Construction, Operations & Maintenance.

Wellbrook Communications - Broadband active loop antennas for radio amateurs and hobbyists

Hal Communications - HF radio data communications products, analog and DSP modems

I.C. Engineering - Electromagnetic field strength meter

ISS Realtime tracking - 5 Day prediction table for ISS and find when the ISS will be visible from your QTH by N2YO

Visual UK Amateur Radio Repeater Map - A google map of the UK amateur radio repeaters with clickable information

Solar Flux report - The latest flux report from louisxiv Canada

QEX - "QEX is the ARRL ""Forum for communications experimenters."" Published bimonthly, features technical articles, columns, and other items"

All Spectrum Electronics - Hobby kits and electronics, semiconductors, components, batteries, ham radio gear and more

Pathfinder - A free application that searches more than 100 web-accessible sources to locate QSL information for a callsign that you enter once

Amplifier Simulation Program - ASP 4.0 - Design weak signal GaAs FET or bipolar PreAmps. Automatically designs for optimum gain, NF, VSWR or all.

AAVoice digital voice processor  ^updated Priority listing - "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."

ICOM CI-V Interface schematic - G3VFP schematic for the ICOM CI-V interface with PTT and CW Keying