Banding Design Works
- Robert Anding, AA5OY, offers construction tips for PIC ID'er and Ham circuits. Schematics and other details presented.
- http://banding.us/

Yaesu FL-7000
- Tips on rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier.
- http://www.n4ats.com

HamRadioShack.net
- A repository for HAM radio photos, antenna farms, DXpeditions, mobile operations and QSL cards.
- http://www.hamradioshack.net/

Radio Mods Database and Manuals
- Modifications, manuals and circuits of amateur radios.
- http://www.kb2ljj.com/

Datasheet Catalog
- .PDF datasheets for electronic components, including RF modules, transistors, integrated circuits, and amateur equipment.
- http://www.datasheetcatalog.com

AERIALS
- Amateur Radio Repeater Linking IRLP
- http://www.aerialsarc.org/

Folding J-Pole
- Folding J-Pole Antenna information, photos and plans.
- http://ka0zlg.web-features.com/

Vårgårda Radio AB
- Located in south-western Sweden. Specialists in towers and antennas. Information and FAQs, bands, and addresses to resellers in various countries.
- http://www.vargardaradio.se/

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.
- http://www.worldradiolabs.com/content/index.php

Crossed Field Antenna
- Small, efficient antenna you can build or purchase
- http://www.crossedfieldantenna.com/

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.
- http://www.smeter.net/

Norm's Rotor Service
- Specializing in repairing antenna rotators. Order new and rebuilt rotors, control boxes and parts.
- http://www.normsrotorservice.com/

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.
- http://www.wireless.org.au/~jhecker/

Batwing Laboratories
- Offers hints and tips for programming and using the Motorola 2-way radio.
- http://www.batlabs.com/

KB5WCK
- Features antenna calculations, propogation, grid conversion, capacitor codes, resistor calculators, weblogs, and online testing.
- http://kb5wck.com/

Pacific Northwest UHF-Microwave
- Microwave activity and tech tips, including DSP-10.
- http://members.ispwest.com/kd7ts/

HF-Fax
- International electronic QSL provider via facsimile and SSTV.
- http://www.hffax.de/

WT9W
- Information includes tips on winding toroids, desoldering, and general kit building.
- http://ww2.netnitco.net/users/wt9w/index.html

TDP Radio Broadcast Transmittors
- Includes specifications of new and old equipment and links to manufacturers.
- http://www.transmitter.be/

RatTail Antenna Booster
- A detachable antenna that doubles radio reception for hand-held radios.
- http://rattailantenna.com/

BHI Noise Reduction
- UK-based source of noise reduction products for amateur radio communications.
- http://radio.bhinstrumentation.co.uk/

10 ghz Wavemeter kit
- Easy to build microwave test equipment for 10Ghz and above.
- http://www.ncsl.co.uk/10ghz.html

Modifications for Hamradios.
- Over 1700 modifications.
- http://www.mods.dk/

High Fidelity Amateur Transmission
- Information for SSB and ESSB audio transmitter, receiver and Recording/Playback for Amateur Radio.
- http://www.icycolors.com/nu9n/

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.
- http://www.qsl.net/k0kn/ic-245.html