UBA PSK63 Prefix Contest 1. Date 10 january 2015, 12:00 UTC until 11 january 2015, 12:00 UTC.  (every year the 2nd weekend of january) 2. Participants Participation is open to all radio amateurs world wide in possession of a valid licence and to all SWL’s. 3. Mode BPSK63 only 4. Bands 10, 15, 20, … Continue reading UBA PSK63 Prefix Contest