what is amateur radio 1

What tuners do - How atenna tuners works and what are real effects on feed lines and maximun power output by G3TXQ

Sierra Alpha Lima DX group Slovakia Priority listing - New SAL DX group 330 division Slovakia

UALR Call Sign Search - University of Arkansas at Little Rock's, U.S. Amateur Radio Callsign Lookup Page.

The Finnish Callbook on the Web - Finnish Call Book by Heikki Hannikainen (OH7LZB)

Canadian Amateur Radio Callsign Database - Search engine is provided by Radio Amateurs of Canada.

IARU Web Site - The International Amateur Radio Union

Royal Signals Amateur Radio Society - The Amateur Radio Society of ROYAL SIGNALS (British Army), 1550 Members. MERCURY Journal issued three times a year (Editor G3NVK) Regular (daily) Nets. Awards and Contests. Own QSL Bureau. E-mail List Server open to all. Regularly updated Web Site (Web Master G3NVK) includes EASYMAIL facility, Guest Book, Photo Gallery, Society Rules, Military Museums.

The Radio Amateur Satellite Corporation - AMSAT NA official web site.

Jefferson County Amateur Radio Club - Jefferson County Amateur Radio Club - Arnold, Mo

Slovenia - ZRS - Zveza Radioamaterjev Slovenije

Radio Gateway by IKXHT - "The project ""Internet on the Air!"" Radio Gateway project"

Kantronics - Kantronics produce Modems, Tnc, Kam, Marine, wireless modems. Packet radio communication devices, HF E-mail, paging, GPS tracking, weather data gathering, or wireless data transmission.

Lazy Dog Engineering LLC - Manufacturer of software-defined radios and portable antennas

USNO Mater Clock Time - Time reference from USNO, USNO Time in Standard Time Zones,USNO Master Clock Time Animated GIF Clocks, Analog Java Clock, Compute Local Apparent Sidereal Time, Check your local System Clock vs. our Master Clock!

SPACEWARN Bulletin - The SPACEWARN bulletin is intended to serve as an international communication mechanism for the rapid distribution of information on satellites and space probes.

NAVSTAR GPS Timing Operations - NAVSTAR GPS Timing Operations, USNO GPS Data & Information Files Global Positioning System Overview Current GPS Constellation, GPS Time Transfer Operations, GPS & Glonass Satellite Visibility

Near-Realtime MUF indicator  ^pop - This is a highly informative map that can be used by amateur and professional radio communicators to determine maximum usable frequencies for any world-wide path at the indicated UTC (Zulu) time.

DRAO 10cm SOLAR RADIO NOISE PATROL - A graphic presentation of the 10cm solar flux index for the previous eight hours, along with links to copious archival information for previous months and years.

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.

LZ1JZ QSL Print services - QSL printing service based Bulgaria and managed by LZ1JZ, offer from single color to full color qsl cards.

Antique Electronic Supply - Antique Electronic Supply has a complete line of vacuum tubes. We feature Svetlana vacuum tubes for amateur radio, broadcaasting and audio applications. We have over 700,000 new old stock tubes to choose from. We also have a complete line of transformers, featuring Hammond and One Electron. Capacitors, resistors, parts, books, etc. Most orders shipped within 24 hours. Major credit cards accpeted. E-mail for free catalog!

QRZ Cdrom Shareware - Shareware and Freeware HAM radio software by QRZ.COM

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

Weather Net - Complete weather reports from USA Puerto Rico US Virgin Islands and Guam/Marianas