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The Ultimate Guide to 11 Meter CB Antennas  ^pop - This site is dedicated to bringing true information about the different types of antennas you can use, buy and build for Citizen Band Radio and 11 Meter DXing.

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

The Homebrew Slim Jim Antenna Gain - Slim Jim antenna gain

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

Old Time Radio - Old Time Radios ! a good resource to old time-radio amataurs

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

SD Moselle France - SD Moselle France

Homepage 19LD113 - Lima Delta International DX Group

The Ultimate Guide to 11 Meter CB Antennas  ^pop Priority listing - This site is dedicated to bringing true information about the different types of antennas you can use, buy and build for Citizen Band Radio and 11 Meter DXing.

CyberCWContest - Contest simulation: Call stations or call CQ. Program is excellent for CW contest practise or enter ongoing operating contests.

Super-Duper Contest Logger - SD sets the standard for fast, simple logging and editing in the major international contests and in dozens of others worldwide. Runs on any PC.

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.

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

Antenna Rotator System  ^pop - The ARS will allow to control any antenna rotator (Azimuth & Elevation) from a computer. Even if you are only interested on HF arrays, the ARS will allow it. Supported from most programs as CT for DOS, tracking programs.

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!

International Meteor Organization - IMO was created in response to an ever growing need for international cooperation of meteor amateur work. Radio Observations.

The home of NuMorse and NuTest - Learn the Morse Code. Learn from random text or simulated QSO (contact) sources. Create character sequences that you find difficult. Compare your results with what the program sent and view error statistics. Take simulated tests. Sound card not essential. Evaluation version not time limited.

SPRE Home Page - The Spartan Packet Radio Experiment (SPRE) is an Amateur Radio (Ham radio) communications experiment. The primary mission was to test satellite tracking using amateur packet radio and Global Positioning System (GPS). SPRE was developed and built by the University of Maryland Amateur Radio Association (UMARA) with assistance from NASA, volunteer engineers, and volunteer software professionals.

Novel filter for sat working - Elimiate QRM when working with satellite antennas

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.

Mouser Electronics - We are a distributor of electronic components. We provide the maximum service to the electronic buyers regardless of the size of the customer or the size of the order.

MultiMode - Digital modes decoding software for the macintosh. Decodes CW, RTTY, WEFAX, SATFAX, ACARS, DTMF, SSTV

HamServ - Another way of having your own bbs, using AGW Packet engine. HamServ is a TCP/IP Server program that runs under 32 bit windows and offers support for AX25, HTTP, NNTP, POP3, SMTP, and TELNET. Ideally it should be run under the AGW Packet engine, with the add on TCP/IP driver, it then allows for simultaneous connects via the internet and via packet radio, but it can of course be used stand alone, in which case people will be able to connect to it via the Internet.

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