Gisela Dierking NF/HF-Technik Germany
- Many interessting accessories, like unversal audiofilter, Mixer interface for sound card, highvoltage powersupply,accessories for 706, hamradio vacation, and more
RF Applications, Inc.
- Specialized in RF Power Measurement Systems and other devices that make operating radio transmitting stations safer and easier.
K6XX Amateur Radio articles
- An assortment of Amateur Radio-related technical articles written for the JUG, the newsletter of the Northern California Contest Club. Topics include unique but simple and useful radio modifications and accessories, and rig reviews.