dc converter

20 meter mobile antenna - How to make a 20m mobile antenna from a 2m whip by G4DCH

144 MHz 5/8 whip antenna - Making your own 2 metre (146 MHz) 5/8th wave whip antenna

40m Mobile Antenna - A mobile antenna for 40 meters band by G4DCH

80m mobile antenna - The antenna is made in four sections which consists of a base matching coil, a helical section, a centre loading coil and the top whip section with its capacity hat by G4DCH

Building tips - Homebrewing antennas with parts which you can buy from local shops and stores.

20m,15m,30m Minibeam - Homebrew a multiband Yagi beam for 20 15 and 30 meters band by G4DCH

Quarter wave vertical antenna - About the basics of the quarter wave vertical and ground plane antennas that ares widely used for medium wave broadcasting, mobile radio communications applications and many more.

India Islands Award - Indian Islands Ham Radio Award

AG6AU El Dorado County Amateur Radio Club - The premier amateur radio club in El Dorado County, California representing a wide cross section of Amateur Radio Operators.

Davie - Copper City Amateur Radio Club - The Davie/Cooper City Amateur Radio Club (DCARC), established in 2010, is an amateur radio organization based in western Broward County, Florida.

QTC Brasileiro - Podcast - Brazialian amateur radio podcast

QTC - Podcast - French radioamateur podcast

Energy Onix - The Industry Leader in AM, FM, Remote Pick-Up, and STL Broadcast Transmitters

Transradio - With the new name TRANSRADIO, the former TELEFUNKEN SenderSysteme AG enters into the new digital age of Broadcasting – DRM.

Eletec Broadcast - EB Broadcast provides Audio, Studio and Transmission Equipment, FM Transmitter, rf power amplifiers, audio processor for radio stations.

NP Technologies Inc - Design, develop, test and manufacture a wide range of Amplifier products including highly linear class A Broad Band, Cell Band, Pulse, AM & FM broadcast and Military VHF

Making the Most of your PSK31 Signal - Adjusting audio output of your soundcard to obtain a perfect PSK signal from your transmission. A project to help you tuning your PSK31 emission.

Packet with Soundcard - Sound card packet by NM5RM. This amateur radio web site explains how to use the AGWPE utility program to send and receive packet using the sound card or sound chip of your PC instead of a traditional TNC or radio modem

Sound Company Virginia - Sound System Alexandria, Baltimore, Maryland, Washington DC Priority listing - Sound company virginia provides audio equipments, audio tape recorder with the capability to directly record live spoken words with highest audio quality.

Listening to DRM broadcasts - Experiments with reception of digital shortwave broadcasts

What's On Short-Wave right now?  ^updated - Find out what station is broadcasting in what language on what frequency. View schedules by frequency, language or station.

Yea Cabrillo2Adif Converter - Cabrillo2Adif A software for converting the radio logs from Cabrillo to Adif log format (for Mac OS X)

Excel ADIF Converter - Use this excel spreadsheet and use it to input your old manual logbook data and have it converted to the ADIF format

VHF Broadcast Passband Filter - VHF Broadcast Passband Filter (88 108 MHz) by DF9CY

Tuning Your Antenna - Testing SWR - Testing SWR on your antenna and getting the best performance from your investment by L.D. Blake, VE3VDC