dc wattmeter

6 Elements Yagi for 50 MHz - Vk4ADC 6 elements yagi antenna for 6 meters band

50MHz J-Pole - A 6 m 50MHz J-Pole antenna by VKADC

KS1R MARA - Merrymeeting Amateur Radio Association and Midcoast ARES

Resonant Frequency Podcast - The Amateur Radio Podcast by KB5JBV

Missouri Police Scanner - Springfield - Listen to the live Springfield, MO police scanner at SpringfieldCrimeAlert.com include live webcams.

TCI International - US global provider of innovative radio frequency (RF) solutions for spectrum monitoring and antenna applications. Specializes in Spectrum Monitoring, Communications Intelligence , HF/MF Broadcasting & Communication antenna systems.

Valcom - Valcom Guelph specializes in the design and manufacturing of a full range of MF Beacon 100 KHz - 600 KHz, AM Broadcasting 540 - 1700 KHz, HF 1.8 - 30 MHz, VHF 30 - 300 MHz and UHF 300 - 1,200 MHz and SHF up to 6 GHz antennas based in Canada

ASC Signal - Global manufacturer of Satellite Earth Station, Air Traffic Control Radar Antenna and High Frequency Antenna products for broadcast, government and enterprise satellite communication applications.

Kathrein Inc - Manufacturer of professional antenna and filter systems for communications and broadcasting, serving commercial and governmental markets worldwide.

PSI Antennas - Antennas for Broadcasters, PSI manufactures a complete range of slot antennas for UHF television broadcasting

SE Engineering - Manufactures FM antennas, mast ground kits, 75 ohm isolation transformer, for the broadcast industry.

Twin Antennas - Professional antenna manufacturing company promoted, by experienced engineers. Manufacture antennas and accessories for broadcast and communication applicati

RFTec - Coax Cables and Connectors, DC to 40 GHz RF cables & test cable assemblies, surge protectors, SMA connectors, adapters and termintators

Field Day Ideas 2008/2009 - Operaring portable during field day by VK4ADC

Icom ACC1 interface - Need to interface both a TNC and the computer soundcard? This is a ICOM 756PRO ACC1 audio/keying/FSK interface by WA0SXV

RSGB FT-857 Review - RadCom Jun 2003 review of the Yaesu FT-857

Mini Circuits - RF / IF Microwave components DC to 20 GHz

Medium and Shortwave Listener's Page - DXing listeining mediumwave AM Broadcast Band stations or shortwave radio stations worldwide.

GridLocW - GridLocW a Lat/Long to Maidenhead converter for Windows with optional GPS support

WSCGen - Signal generator using the PC soundcard to output continuous tone, CW, SSTV, AO-40 telemetry, and PSK31 test signals with variable AWGN. The program will also output to a RIFF .wav file by AE4JY

Increasing Amplifier Relay Speed - Article describes a circuit that accelerates the coil of DC relays by momentarily doubling their voltage.

QRP AM CW transmitter - A simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator

Regenerative receiver for the AM band - Build the Moorabbin, a regenerative receiver for the AM broadcast band by Peter Parker VK3YE

ICOM SoundBlaster Interface - Interfacing ICOM radios with PC soundcard by W8WWV

N2PK Vector Network Analyser Answers - G3SEK answers to some practical questions on builing the N2PK VNA Vector Network Analyser