sky wave propagation

Amateur Vertical Antenna Calculator  ^{updated  pop} - This calculator is designed to give the vertical length (height) of a particular antenna, for the frequency and wavelength chosen.

Center-Loaded Off-Center-Fed Dipole - 6 band - Multiband Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna that work on 80m 40m 30m 20m 15m 10m by ON4AA

IRC's Home site - Information of IRC DX group DX informations propagation and may other informations about dx and internet.

Welcome to planet chris - Kp 62 chris 's own little webpage with 11 mtr stuff as well as shortwave listening and some computer links:) take a ppek see if you like it :)

Essex Repeater Group - These pages provide the Latest News and information on ERG, the voice repeaters GB3DA (2m), GB3ER (70cm), GB7ZP (70cm D-Star), GB3DB (6m), and the 10GHz microwave beacon GB3CMS.

Microwave Email list - Message list about 903 Mhz. and above bands. Use various VHF reflectors for the 432 and lower bands. Most traffic will be about 2304 and above.

Times Microwave Systems - Manufacture LMR Flexible low loss coax cable, connectors, and cable assemblies for Wireless Communications applications.

Australian Space Forecast Centre - Current HF Radio Propagation and Space Weather Report

Introduction to HF propagation - An Introduction to High Frequency Radio Propagation by IPS Radio & Space Service

Radio Propagation - Spread Spectrum Scene. Radio Propagation notes, with downloadable files.

Propagation Forecast by AD5Q - 11 Years of monthly propagation reports from February 1988 to January 1999 by AD5Q

Propagation Reports - Latest WWV propagation Reports, Updated Every 3 Hours

Popagation studies committee Priority listing - This page is about the RSGB's Propagation Studies Committee, its work, services and current projects, together with guides to where to find more about matters relating to propagation on the Internet at all levels from introductory to professional. Watch this space!

Passport to world band radio - "Passport to world band radio is the world's #1 selling shortwave publication. It zeros in on news, sports and entertainment from Afghanistan to Zambia, and includes award-winning ratings of world band radios and ""how-to"" articles by experts."

JWO SERVICES - "Amateur radio publications & Accessories; shortwave listener publications, code keys, etc. All at a discount."

R&L Electronics - Amateur Radio, Citizen's Band Radio, Commercial Radio, General Electronic items, Marine Radio, and Short Wave Radios, Hamilton Ohio

Atlantic Ham Radio Ltd.  ^pop - Canada's premier amateur radio, shortwave radio, scanner, CB, marine and aircraft radio store. A complete line of acessories is also available along with full service and repair facilities.

Euro Radio System - "Amateur radio equipement; Procom equipement Duplexeur, amplifier , Coax , connecteur microwave equipement"

Carrier Communications - Carrier Communications sells new and used Motorola and GE two-way radios and microwave equipment We also rent space in 22 antenna sites located throughout California to commerical and amateur radio users.

SHF MICROWAVE PARTS Co. - Microwave parts for ham radio and experimenters.

Herman's DX Homepage - Web pages on the DXing hobby and shortwave in general, utilities, pirates, FM, shortwave books.

MacProp - Propagation forecasting software for the Macintosh

Radio Propagation & Diffraction Calculator  ^pop - This is a radio frequency propagation calculator for the transmission path between an RF transmitter and a receiver.

Proagation Prediction Program (DOS) - Downloadable DOS program for propagation prediction for the serious contester.

K1TTT Technical Reference Priority listing - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.