- Planet Ham is a website designed to aggregate blogs produced by Amateur Radio enthusiasts. The aim is to provide a central directory of Amateur Radio blogs so that interested browsers can visit subscribers sites and read about the various aspects of the hobby in detail
- Google based ham radio search engine.
Only trusted, useful web sites for amateur radio. The DXPORTAL search engine built using Google's core search technology, which prioritizes search results based on amateur radio websites.
Cobalt pet: shortwave weblogPriority listing
- Cobalt Pet is a weblog focusing on shortwave radio. It features shortwave reception reports, product reviews, photos, listening tips, and links. International broadcasters and amateur / ham radio operators are monitored and discussed.
Adaptive Home Logic
- Monitor / Control your home with APRS short text messages. Featuring Scheduling / Conditional Events, 2-way Speech, E-mail, file data, serial data, digital I/O, Sunrise/Sunset, natural language interface, interactive screen overlay scenes, logging + More
Delabs technologies Product Design and Engineering
- Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites.
There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.