>>> I before E except after Hellschreiber « SWHarden.com

Hellschreiber beacon with an AVR. This idea sounds worth playing with -- more fun than PSK31 and simpler to transmit!

to avr beacon digimodes electronics hellschreiber microcontroller radio ... on 23 August 2011

30m BAND UTILIZATION -- G3NRW

Good visualisation.

to 30m bandplan digimodes ham radio ... on 25 June 2011

Linux: Multimon Radio Transmission Decoder

Too scrappy to be worth packaging, but might be worth reusing -- does POCSAG, DTMF, etc.

to digimodes radio software ... on 27 March 2011

Digital Modes Samples

Audio-only, but a good overview of commercial stuff.

to digimodes hf radio vhf ... on 27 January 2011

PSK Automatic Propagation Reporter

Show who's being heard where on PSK. fldigi can talk to it.

to digimodes ham hf psk radio ... on 23 October 2010