This is an old revision of the document!
SDR = software defined radio
https://howtoraspberrypi.com/create-radio-transmitter-raspberry-pi/ https://www.raspberrypi.org/magpi/raspberry-pi-fm-transmitter/ https://www.rtl-sdr.com/transmitting-fm-am-ssb-sstv-and-fsq-with-just-a-raspberry-pi/ https://www.rtl-sdr.com/building-a-ham-tranceiver-with-an-rtl-sdr-raspberry-pi-and-rpitx/ https://www.rtl-sdr.com/pitx-qrp-tx-shiled-for-wspr-on-20m-now-for-sale/ https://www.tapr.org/kits_20M-wspr-pi.html https://gerolfziegenhain.wordpress.com/2013/04/13/raspi-as-wspr-transmitter/ https://github.com/JamesP6000/WsprryPi https://docs.google.com/document/d/1bLKEDmJvKQegqUwDXEy3V7wQTqupIfyg2LkN0dOuPY4/edit https://qrp-labs.com/ https://www.rtl-sdr.com/raspberry-pirate-radio-fm-transmitter/ https://www.rtl-sdr.com/transmitting-datv-with-a-raspberry-pi/ http://rfsparkling.com/qrpi/ http://www.pabr.org/radio/leandvb/leandvb.en.html https://www.rtl-sdr.com/a-pocket-datv-transmitter-and-receiver-with-raspberry-pi-limesdr-mini-and-rtl-sdr/ https://www.rtl-sdr.com/transmitting-dvbt-hdtv-raspberry-pi-rtl2832u/