Need some help finding frequencies for your iPod to transmit to your car on? Look here first!
Homepage of the PLA. Fun stuff, here!
Radio hams and techies in Maryland, Virginia, and DC get together to throw a flea market for geeks. Bring cash.
Ever wanted to listen in on air traffic controller comm traffic?
A Frequently Asked Questions file about phonetic alphabets. Covers the phonetic alphabets of multiple countries and military forces.
A wiki for documenting and discussing radio broadcasts - short, medium, and longwave as well as anomalies, mysteries, oddities, and pirate radio.
If you need any information at all pertaining to amateur radio (be it ham, scanners, theory, utilities, CB, or technical matters) this should be your first stop. If you can't find it here chances are you'll have to do it yourself and then submit your website to this index.
A worldwide volunteer system of radio hams who provide limited net.access during emergencies so that people can communicate.
The database of radio scanner frequencies at radioreference.com. Curious about what's happening in your area? Tune in and give a listen.
An interactive map of ham radio repeaters around the world, searchable by callsign, coordinates, tags, state, or relative directions.
An archive of pirate radio broadcasts from the late 1990's at archive.org. You can download them for free or listen to them online. The quality of some of the recordings is kind of poor (it is pirate radio, after all) but occasionally you'll come across a gem in the rough.
The website of an international group of numbers stations enthusiasts. Has a forum, a blog, a podcast (good luck finding the RSS feed), live streams...
CHIRP is a F/OSS application for programming serial-enabled ham radio equipment from a computer running Linux, MacOSX, or Windows. It supports a large number of makes and models of amateur radio, multiple interfaces (including USB and serial) and formats for getting data into and out of the radio.
An online archive of old electronics texts, most of which have to do with vacuum tube circuits and suchlike. These are considered core texts of radio because they formed the body of knowledge that we learn today. They are most certainly of interest to people who restore old radio sets.
A wiki page that documents explanations for and origins of various types of radio broadcasts people picked up with software defined radios and analyzed with software like GQRX.
This is a site that aims to collect and sort out information about some of the more unusual shortwave anomalies, like UVB-76, the more powerful numbers stations, the XM Whales, and other mysteries. Seems pretty solid, without much in the way of conspiracy, just necessary speculation.
A wiki that catalogs lost media - stuff that you saw on television or heard on the radio once, and then never encountered again.
A voice inversion descrambler (and scrambler). Can invert live signals in realtime. Has commonly used inversion carriers as presets.
Archive of shortwave radio recordings to download.