Interactive web-controlled Drake R-8 allows 5 and 30 second live sound bites, details of last 25 frequencies selected by listeners, and information about tuning controls. http://www.chilton.com/scripts/radio/R8-receiver
Compendium of radio monitoring information, including general beginner's information, international broadcasting news, and resources to monitoring hobbyists of all stripes, including ham radio. http://www.dxing.com/
Interactive search engine for HAM radio operators and shortwave listeners. Offers information on all frequency ranges from VLF to UHF. http://www.radio-portal.org/
Devoted to the history of shortwave radio. Features early radio articles, book reviews, and other references for DXers and collectors. http://www.ontheshortwaves.com/
Website of listeners who are opposed by the decision by the BBC World Service to end shortwave broadcasting to North America, Australia and New Zealand in July 2001. http://saveBBC.org