dial maker

DL9MEU Antenna projects - Basics for a good Antenna:``Only if you can hear it, you can work it!``Symmetric antennas save a lot of trouble.``No traps - no radials - no loading coils.

K2YWE's Compact 160m Lazy-U Antenna - This compact 160m antenna is a half-wave dipole with a vertical section. It requires no radials and has worked well for me.

7Mhz Vertical antenna  ^pop - The secret with this antenna is to install as many radials as you can around the base of the antenna, they can be anything from 1/8 wave or longer.

A magnetic loop antenna for HF  ^pop - Able to cover all frequencies between 3.5 and about 10 MHz, the loop described here is directional, does not require a radial system, and stands just 1.8 metres tall. Most parts needed can be purchased at a hardware shop. The antenna can be put together in an afternoon and requires only hand tools to assemble. It should cost less than sixty dollars to build. by Peter Parker VK3YE ex VK1PK

J-Pole theory  ^pop - The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.

FAQs - Basic Antenna Theory - Faqs and antenna basics

Quarter Wave with radials - VHF quarter wave antenna mainly for scanner usage, The quarter wave antenna is an easily designed and constructed antenna for whatever frequency you want, although with the following design, you may to limit it to the VHF and UHF bands due to the physical size.

Groundplane antenna - Short guide to build your own groundplane antenna, includes radial measurements fro warc bands

GW4OFQ's vintage radio equipment - Mainly based on my hobby of restoring vintage and military Radio equipment

IOTA Manager's Website Priority listing - Roger Balister, G3KMA, RSGB IOTA Manager -monthly newsletters giving latest IOTA information including updates on IOTA Directory, recent operations and useful links.

Spy Numbers sound files - Hundred of spy number stations recordings in mp3 file format

Telstar Electronics - Makers of VoiceMax Transceiver Speech Processor. Linear amplifier production has been discontinued.

Xforce Amplifiers  ^pop - Makers of the Xforce Amplifier

Hamstick - Lakeview antennas, manufacturer of mobile antennas and accessories by WD4BUM, including colinear antennas, dual band, mounts and accessories. Maker of popular HamStick antennas.

Alfa Radio Ltd. - Makers of the AlfaSpid RAS and RAK Rotators

Chelton Antennas - Makers or naval and military antennas

Larsen Antenna - Complete selection of portable, mobile and base station antennas in frequencies from 27 MHz to 5.8 GHz. Radiall/Larsen also has a strong presence in custom OEM development. Radiall/Larsen Antenna Technologies is a subsidiary of Radiall.

The GARP applet - Geographical atlas using radial projection

Radiocom - Radio electronic and antenna consulting, servicing and buildups of customer supplied components. Transmitter and receiver site work and on line help.

Antenna Maker  ^{updated  pop} - Antenna design program for Quads, Yagis, Inverted Vees, J-poles, Trap Dipoles and more.

Cluster monitor - Cluster monitor is a tool for web and telnet clusters monitoring. The program shows spot history, the latest spots are shown in a separate window with full information about the DX, announcements, WWV propagation, and full sorting and filtering capability. Full support for AALog and AAVoice by RZ4AG, DXAtlas by VE3NEA. Integrated dial-up support.

SH5 Contest Log Analysis - SH5 is an easy to use ham radio contest logs analyzer which creates a variety of statistics in HTML format from the Cabrillo format log. Run under Windows and is free to download, by the makers of TR4W

Morse Maker - MorseMaker is an up-to-date replacement for the Morse Machine shown further down this page. It has been re-written using a different programming language and is now entirely 'stand-alone' requiring no run-time support files. This version also works with Windows XP and can use the soundcard but please note that, unlike its predecessor, it does not split the alphabet into smaller 'learning' blocks and does not incorporate the Morse reader.

DigiPan  ^pop - DigiPan provides a panoramic display of the frequency spectrum in the form of an active dial scale extending the full width of the computer screen. DigiPan is the result of a joint effort between myself and Nick Fedoseev, UT2UZ, the author of MIXW32, and is intended to make PSK31 operation easier and more enjoyable for everyone.

Sun Clock - shows time zones around the world a well as the time at locations of your choice.