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Digital Modes Samples edit / delete
What assorted digital modes sound like.
The Codec2 Project: Next-Generation Audio Codecs and Vocoders for Two-Way Radio edit / delete
Coming up with a free replacement for AMBE, etc.
to amateur audio codec compression radio ... on 09 November 2009
KA7OEI Optical through-the-air communications page edit / delete
Talking with light.
to amateur electronics led optoelectronics radio ... on 08 November 2009
M1HOG - Amateur Radio Station - Adventures in Amateur Radio edit / delete
Build details for various projects.
to amateur electronics radio ... on 26 October 2009
PSK 31 frequencies | Rik van Riel's home page edit / delete
Where PSK31 is actually used, as opposed to what the bandplan says. 30m seems to be easy to pick up here, even on a wildly inappropriate antenna.
Green Bay Professional Packet Radio edit / delete
Including some, uh, quite unusual stuff for an amateur radio web site.
to amateur amusements electronics phreaking radio ... on 20 October 2009
Various electronics projects. The mini-receiver for DRM is particularly impressive -- just a handful of components...
to amateur electronics radio ... on 14 October 2009
Welcome to KØBG's Web Site edit / delete
Lots of well-written (if somewhat America-centric) advice about mobile radio installation and operation.
to amateur electronics mobile radio ... on 14 October 2009
Free EchoLink client and server.
to amateur echolink radio repeater software ... on 19 September 2009
Warrington Amateur Radio Club edit / delete
The "Projects" bit is probably the most interesting here: that's one *extremely* serious 13.8V PSU.
to amateur electronics psu radio ... on 16 September 2009
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tasty by Adam Sampson.