UM05 – Apocalypse station 7542.8 kHz

UM05 is the name of a mysterious radio station that broadcasts on shortwave at a frequency of 7542.8 kHz in CW. This station began its transmissions in October 2023 and has never identified itself with an official and/or ITU standard callsign. This station is also difficult to describe because it has a randomly definable transmission format. It transmits single letters in Morse code slowly for…