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’ (February 13th) until February 28th.
Activity will be on various HF bands using CW and SSB. QSL via UA3DX, direct, by the Bureau or ClubLog’s OQRS.
For more details, see: http://www.cqdx.ru/4u1a/4u0r
This station counts as Austria for DXCC purposes.