Fritz Zwingli, HB9CSA DL4FDM will be active with special call HB90CSA from Zurich, Switzerland, celebrating 90 years anniversary of Union of Swiss Short Wave Radio Amateurs, USKA, 1 January - 31 December 2019.
He will operate on HF Bands.
QSL via HB9CSA USKA buro.


HB90CSA Fritz Zwingli, Zurich, Switzerland