10 ghz Wavemeter kit
Easy to build microwave test equipment for 10Ghz and above.
Batwing Laboratories
Offers hints and tips for programming and using the Motorola 2-way radio.
BHI Noise Reduction
UK-based source of noise reduction products for amateur radio communications.
Crossed Field Antenna
Small, efficient antenna you can build or purchase
Dutch Electrical Museum
A history of electric power generation in the Netherlands.
Electronic Communication
How to use Intel micro-controller, electronic hardware, and software.
Electronic Service Professionals
Radio and D104 modification service with some mod instructions provided.
G4LNA
A collection of circuits by Paul Balaam which include antennas, an AM modulator and noise cancelling.
High Fidelity Amateur Transmission
Information for SSB and ESSB audio transmitter, receiver and Recording/Playback for Amateur Radio.
Icom 245 LSB/USB Modification
A very hard-to-find modification for the Icom IC-245. Shows how to modify the radio for both LSB and USB.
ISM Band Antenna
Detailed instructions, diagrams and photos on making a helical antenna for the 2.4GHz ISM band. Suitable for long range wireless networking.
KB5WCK
Features antenna calculations, propogation, grid conversion, capacitor codes, resistor calculators, weblogs, and online testing.
Neo-Amateur Community
Forum for the exchange of ideas and comments on emerging amateur technologies.
Norm's Rotor Service
Specializing in repairing antenna rotators.?Order new and rebuilt rotors, control boxes and parts.
Pacific Northwest UHF-Microwave
Microwave activity and tech tips, including DSP-10.
Radioamateur.org.uk
Provides information for programming and modification of amateur and commercial radio equipment, including Motorola and Storno PMR equipment.
RatTail Antenna Booster
A detachable antenna that doubles radio reception for hand-held radios.
TDP Radio Broadcast Transmittors
Includes specifications of new and old equipment and links to manufacturers.
Vårgårda Radio AB
Located in south-western Sweden. Specialists in towers and antennas. Information and FAQs, bands, and addresses to resellers in various countries.
World Radio Labs
Reviews of gear made by WRL under the names WRL, Globe, and Galaxy. Includes descriptions, original price, year of introduction, and photos of most gear.
WT9W
Information includes tips on winding toroids, desoldering, and general kit building.
Your Remote S-Meter
A Kenwood R-5000 communications receiver located in Salt Lake City that you can remotely control and receive S-Meter readings and audio from via a web browser.