Radio Amateurs members of ON4TWS Club Station will be active with special call OR18TWS from Scherpenheuvel - Zichem, Belgium, 25 October - 25 December 2019, for the 18th birthday of the Crown Princess Elisabeth.
They will operate on HF Bands.
QSL via OR18TWS buro.
They will operate on HF Bands.
QSL via OR18TWS buro.