Members of the International Amateur Radio Contest DX Club (ARCDXC) [4U1A] will be active with special callsign 4U0R from the Vienna International Center, Austria, for the 'World Radio Day' (13th February) until 28th February 2019.
Activity will be on various HF bands using CW and SSB. QSL via UA3DX, direct, by the Bureau or ClubLog's OQRS.
This station counts as Austria for DXCC purposes.
More Information - http://www.cqdx.ru/4u1a/4u0r