Members of the International Amateur Radio Contest DX Club (ARCDXC - United Nations, 4U1A) will be active as 4U2U between now and 31st October 2021.

Activity is to celebrate United Nations Day (24th October 2021).

QSL via UA3DX, direct or by the Bureau.

ADDED NOTE: Remember this station counts for Austria (OE) for DXCC purposes and as 4U for the Vienna International Centre for the CQ DX Marathon award.