Radio Amateurs members of Radioklub S59DCD will be active with special call S589PMC from Slovenj Gradec, Slovenia, 6 December 2019 - 5 January 2020.
They will operate on HF Bands, including activity in WW PMC Contest.
Information from their QRZ page:
YOUR QSL'S ARE NOT NEEDED, please save your money and don't send your QSLs. We will send QSL cards to everyone via buro within year 2020.

S589PMC Slovenj Gradec, Slovenia