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Remotely-tuned loop antenna for LW and MW - This article describes how to build a loop antenna for low frequency (LF) and medium wave (MW) reception with remote-controlled tuning. The antenna is extremely sensitive and can be built mostly from parts from old radios and tape recorders. Like all loop antennas, it is highly directional, which allows you to null out unwanted noise sources.

Emtech ZM-2 Antenna Tuner Kit - The Emtech ZM-2 Antenna Tuner is a nifty little portable transmatch for QRP (low power). It utilizes the well-known Z-match circuit, which is especially useful for balanced antennas (like dipoles and loops).

Windom Antenna with 4:1 balun - The Windom is an Off-center wire multiband Antenna. The old version was fed just by a single-wire connected on 1/3 of antenna's overall length or with an open-line feeder (later versions). Here is another model with coaxial feeder, which is compatible with Solid States - 50 Ohm output transceivers .

6 Element Yagi for 432 Mhz - U6YRN 6 element yagi antenna for 430-450 Mhz in spanish

Red Star - Soviet Antique Radio Gallery - First antique radio museum from russia

Rick Tavan - Radio Contesting - When I tell friends that I enjoy amateur radio contesting, their reaction is usually a quizzical stare. "What's that?" It is hard to explain in the span of a cocktail conversation, so here is the answer.

Getting started in contest - A PowerPoint presentation by Bruce Draper, AA5B on how to get started in contesting

Ham Lookup by ZipCode - This Database Lookup will return the amateur radio call sign holders which currently hold an active license and will be limited to the zip code specified You must enter at least three digits of the desired zip code.

VE1YO Dartmouth Amateur Radio Club - The Dartmouth Amateur Radio Club is located in the City of Dartmouth, Nova Scotia which is on the Eastern side of Halifax Harbour. The Club was founded in 1953

Pikes Peak FM Association Inc. - The Pikes Peak FM Association is a nonprofit, amateur radio VHF/UHF group which operates and maintains VHF and UHF communications facilities serving the Colorado Springs and Pikes Peak region.

K8TIH Wood County Amateur Radio Club - The club was founded in 1954 to help serve the emergency communication needs of Wood County, Ohio. The county seat is Bowling Green which is the home of Bowling Green State University.

Queen City Emergency Net - We are a group of amateur radio operators, which exists to provide communications support to the American Red Cross -- Cincinnati Chapter, and have done so since 1941

W5AUM Brenham Amateur Radio Club - We are located in Brenham, TX, which is about 70 miles northwest of Houston, TX. We currently have about 34 members in our club.

STARC South Texas Amateur Radio Club

LY Hamfest - Every summer Lithuanian radio amateurs gather together to their traditional HAMFEST somewhere in a beauty spot in Lithuania. It will provide excellent occasion to meet over 300 LY hams in the same place

Monaro NSW / Canberra Live scanner - VHF/UHF Scan from Monaro NSW and Canberra (ACT). Stream/Feed contains text-tags with frequency, which is displayed in your media-player as title/Meta-data. Recommended that you use Winamp.

The DXFC Web Site - The site for dxers who like to travel The F in DXFC stands for Feet: countries in which you have stepped foot. This is for licensed radio amateurs who like travelling.

The Repeater Builder's Technical Information - If you want to build a repeater, this is the right place to start. Includes construction projects and reviews of repeater hardware available in the market.

Grig Radio Control - Grig is a freeware simple Ham Radio control (CAT) program based on the Ham Radio Control Libraries (Hamlib). It is intended to be highly generic presenting the user to the same graphical user interface regardless of which radio is being controlled. Grig supports the most commonly used CAT commands that are implemented by Hamlib, and integrates well with other ham radio programs like Xlog and gMFSK. Grig has been developed on Linux, but has been ported on Mac and Windows OS.

Qucs - Quite Universal Circuit Simulator Priority listing - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit. After that simulation has finished you can view the simulation results on a presentation page or window. Run on Linux.

Spot - Intelligent DXCluster Client - Reliable amateur radio software for OS X and Windows that works the way you expect. Spot allows you to chase the DX that really matters by putting you in charge of which DX spots you need to see and alarming you when they appear.

ScopePar - ScopePar turns your old PC into a multi-channel oscilloscope, the user-interface to which is SeriCon on Windows PC.

SweepGen - SweepGen turns a PC into an Audio Oscillator and Sweep Generator which can be used for testing audio or educational purposes. In conjunction with audio test instruments, you can make frequency response plots. SweepGen uses the sound card in your PC to produce sinewaves

Six-Meter Linear Amplifier - This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. Power output is 800W

FM Morse Code Keyer - A simple circuit which will generate a 700 Hz tone into any FM transceiver allowing an amateur to practice CW with another amateur on a 2 meter simplex frequency.