=== Things I've written === (TXT) My start with radio as a hobby (TXT) My first radio scanner (TXT) 2023-04-01 Short Wave Listening (SWL) log (TXT) 2023-04-02 Short Wave Listening (SWL) log (TXT) 2019-08-19 Short Wave Listening (SWL) log (TXT) Short Wave Listening (SWL): High Frequency Global Communications System (HFGCS) (TXT) Short Wave Listening (SWL): Various frequencies which seem to always carry data (TXT) Short Wave Listening (SWL): German Weather Service RTTY / data transmissions (TXT) Short Wave Listening (SWL): WebSDR (TXT) Short Wave Listening (SWL): Major World Air Route Area (MWARA) (TXT) 2023-04-06 Short Wave Listening (SWL) log (TXT) 2023-04-10 Short Wave Listening (SWL) log (TXT) 2023-04-21 Short Wave Listening (SWL) log === Things I plan to write about === We've got to talk: A brief history of telecommunications A lifetime of listening to radio scanners Radio scanners and wireless cybernetic systems Software Defined Radio (SDR) as a hobby Amateur radio digital modes Frequency Shift Keying (FSK) and modems