transmission line

Antennas and Feedlines - Long article on antennad and feed lines

HC DX Feeding that antenna - Avoid noise, boost performance: make a perfect coax feed line. The perfect feedline, How to install your antenna properly, How to get the best from your coax

Low reactance multiband center feed wires - An antenna system is more easily interfaced to a radio when the input reactance at the feedline terminals is low or close to series resonance

G5RV Measurements - Measurements and characteristics of a G5RV Antenna, including effect of the transmission line as part of the antenna and contributes in a large way to it's multi band characteristics

Omega electronics - Omega Electronics International is the source for Ameritron linear amplifiers as well as other amateur related products and repair service

TX5K Online-Log - TX5K Log On-line Clipperton 2013

Velkommen til NRRL-Ringeriksgruppen

HamStudy.com - Amateur radio courses on-line for Canadian Basic & Advanced amateur radio exams

Ham Radio Online - Audio Stream Live - Ham Radio Audio Stream: listen live to German amateur radio repeaters.

ScanCT - Connecticut's largest online scanner site

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

Low Power Radio Modules - Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

Power Line Noise - I have a shortwave radio, but I get nothing but a loud buzzing on it. What's wrong?

Morsenet1 - History / Guidelines, The Vk2 IAU Morse Practice Osxillator , How to arrange a QSO, The International Morse Code and more morse code related topics

ARDF@DL online - ARDF-Funksport in Deutschland - ARDF-Funksportreferats im DARC

British Columbia's Online Radio Scanning Community  ^pop - BC scanning guide include police scanning frequencies in Canada.

On Track On Line - On Track On Line provides information about Rail Travel and all facets of the hobbies of railroading and trains.

Radio City - Radio City features a wide selection of amateur radio equipment from Kenwood, Icom, Yaesu, MFJ and a host of other manufacturers. Visit the store in Mounds View or shop here, online.

RadioTronics - Online UK CB Radio shop specialising in UK CB Radio and 10m Amateur radio equipment. Scanners and multiband receivers also available.

Shortwave Monitoring Station - Berlin - Shortwave Monitoring Station in Berlin: DX news, HF propagation, greyline, DRM news, QSL gallery, audio recordings and more

Swiss Radio International - An online database of Swiss Radio International shortwave and satellite frequencies and schedules which may be searched by language, target country and/or region.

Radio Sweden International - Offers highlights of daily English language service, programs and frequencies, online reception report and request for QSL Card and newslinks.

Band Master - Band Master is a program for Radio Amateurs that downloads DX spots and displays them in different ways, including a graphical band map. It can be used either as a stand alone application or as part of a logging or contesting software via the COM/OLE interface. Rig control, country/province resolution, azimuth/distance calculator and online QRZ lookup are built-in, propagation prediction and geographical mapping are available through integration with HamCap and DX Atlas respectively.

RF and Microwate Power Amplifiers - RF and Microwave Power Amplifier and Transmitter Technologies, amplifierlinearity, efficiency and available RF power devices.

WV7U.com - Hank's Amp Pages - WV7U's YC156 and 3CPX800 amplifier projects. Everything you wanted to know about using the YC156 or 3CPX800 in a ham radio linear amplifier. See pictures, schematics, test data, links, and more!