Radio Amateurs members of United Nations Contest DX Club 4U1A will be active with special call 4U0R for the WORLD RADIO DAY (13 February 2018), 13 - 20 February 2018.
They will operate from on HF Bands CW, SSB from Vienna International Center, Austria.
QSL via UA3DX, OQRS.
They will operate from on HF Bands CW, SSB from Vienna International Center, Austria.
QSL via UA3DX, OQRS.
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