balun design

10 elements Yagi for 2 meters - Based on a design by JM1SZY for 50 MHz that he developed using YO

Optimised Six-Metre Yagi - Design for a 5 element beam on a 23 foot boom with an unusual combination of performance characteristics

80 meters wire antenna  ^pop - A reduced-size 80-meter antenna designed for small lots, portable use, and a fine companion for QRP

GW0VMR construction ideas  ^pop - selection of construction ideas from Patrick, GW0VMR, includes ATU, Baluns theory

Magnetic Longwire Baluns  ^pop - Do these things do exactly what they say they do, or are they total hogwash? - Patrick lifts the lid on the MLB

80m 4 element delta loop antenna - A four element delta loop antenna for the 80 meter band providing a forward gain of 6 dBi by F5VKM

W0KPH EH Antenna tests - Various tests and designs, with photos of home made EH Antennas,simple and networked, and also sone CAN Antennas.

K8CU Log Periodic Antenna - Plans, photos, electrical and mechanical design for this HF Log periodic antenna.

Stacked Yagi Antennas - Constructing and designing full size, single band stacked yagi antenna arrays

Summits on the Air (SOTA) - Summits on the Air is an exciting new award scheme for radio amateurs which encourages operation in mountainous and wilderness areas. The sceme is designed to grow into an international awards.

SATEDU PROJECT - SATEDU project, a 20Kg class microsatellite designed and managed by AMSAT-France, partially developped and built by students

Scanner feed tutorial - This tutorial is designed to help the average person get his scanner feed on the net pdf file

Valcom Fibreglass Whip Antennas - Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.

HEX-BEAM - Traffie Technology - Hex-Beam antennas manufacturer, a new approach to beam design, using hexagonal array style, by Traffie Technology

Palstar - Receivers, Antenna Tuners and accessories, antenna analyzers, dummy loads, wattmeters, shortwave radio receivers, baluns, filters

Balun Designs LLC - Balun Designs wind high quality baluns and ununs for Amateur Radio and commercial applications based on the researched and tested designs of Dr. Jerry Sevick, W2FMI.

Six Meters FAQ - Faqs on six meters band, designed to help encourage hams to use and enjoy this band

The Very Small Array (VSA) - in Tenerife (Canary Islands). Designed to study fluctuations in the Cosmic Microwave Background (CMB) thought to originate from the period immediately following the big bang. Operated by Cambridge and Manchester Universities (UK).

AA Woodcrafts - Amateur radio call sign displays precision cut in wood. Being 18mm thick they are designed to stand on a desk or shelf.

QSLArt - Qsl card design and printing by ik6rum

SkedWizard Priority listing - "Sked Wizard is an applet designed to help radio enthusiast get more enjoyment from their available operating time, ships with a list of ""radio related"" world band programs"

Mac Antenna Master - Dipole, Yagi, Vertical, Cubic quad, Log periodic, J-pole, coil, and transmission line design package for the Macintosh

IZ8BLY Stream - Stream is a software that implements MFSK16 and MFSK8 modes designed by me and Murray Greenman ZL1BPU. It also offers a series of experimental modes based on FEC, interleaving and several modulation techniques (PSK, QPSK, MSK).

RX-PSK31 - Easy to use Audio Spectrum and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum to set for best decoding of PSK31.

FT100 SuperControl - CAT control and logging software project especially developed for the YAESU FT-100 transceiver. The program is based on the design of FT847-SuperControl.