446 mhz yagi

Swiss Quad for 2 meters - 144-146 Mhz swiss quad project, in japanese

Shortened vertical antenna for 7 Mhz - A simple drawing of a shortened antenna for 40 meters by using a PVC tube

Simple HF Baluns for 50/75 ohm coax - Show diagrams, winding methods and tables of some 1:1 and 4:1 baluns for 1.8 - 30 MHz suitable for use up to 200W (400W peak) on systems using 50 or 75 ohm coaxial cable input where SWR should not exceed 1.6:1.

Moxon for 144 Mhz - A vhf moxon antenna plan

JJ6 Antenna - Beam antenna for 14-18-21-24-28-50 Mhz by G4ZU in french

2400 MHz Helix Antenna - This antenna is easy to build and suitable for broadband work, satellite work and terrestrial work.

FBK portable mini tuner - Tunes symmetric/coax/longwire antenna's between 1.8-50MHz

Shortened antennas - Drawings of shortened antenna for indoor usage, using short pvc tubes for 2 , 20 and 40 Mhz by f1rfm

CO2KK Wire antenna for 50 Mhz - 6m (50Mhz) Long wire antenna There is another form of long wire antenna which provides uni-directional coverage and is easy to build. Description by Arnie Coro CO2KK

Homebrew 50 Mhz Beacon - By Justin Glasener K9MU

10 meter beacons - Latest 28 MHz online beacon spots. A site dedicated to beacons on 10 meters band

K5DDJ's 10 Meter Beacon - Operating 24/7 on 28.2485 Mhz transmitting 500mw into a 1/4 wave GP vertical antenna. Location is in San Antonio, Texas

N7LT Beacon - Operating 28.249 MHz and 50.074 MHz from Bozeman, Montana

KC9GNK - 10 meter Beacon 28.2836 MHz from near Wisconsin Dells, Wisconsin

SM5HUA/B - Voodoo beacon 28.294MHz JP80wa Uppsala Sweden

OK0EZ VHF UHF Beacon - 144,470 MHz / 432,870 MHz Rabstejn Czech republic

Accute Micro - China supplier of ceramic bandpass filters in standard resonator sizes of 2~6mm , 8mm , 10mm and 12mm with freqency from 400Mhz~4Ghz and sections 2~10

222 MHz Transverter for the FT-817 - As seen in January 2003 QST

144 Mhz power amplifier 4CX250B - This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes type 4CX250B by LA0BY

A 20W Amplifier for 2 meters - VU2RAR basic VHF power amplifier suitable for 144-146 Mhz output power can vary from 3 to 25 Watts.

30m QRSS Beacon Transmitter - This beacon puts out about 0.5W on 10.140MHz. It is intended to be used for Slow Morse (QRSS) operation.

1.8-54 Mhz Low pass filter - An easy to make HF low pass filter form high power by k8cu

40 Meters QRP AM/CW transmitter - VU2VWN project to homebrew a CW for 40 meters band

A no-tune transverter for 2304 Mhz - By Jim Davey WA8NLC

70 MHz Transverter - This purpose of this page is to give a brief description of a 70 MHz transverter that has been published in the Danish amateur radio magazine "OZ"