WE2XGR/3 will be running the Domino EX4 mode tonight on 508.500 kHz, from 2330 UTC to 0500 UTC. This is one of the modes in MultiPSK, and I believe that Murray, ZL1BPU, also has a decoder, as he is the original developer of the mode. Reports are welcome. John Andrews, W1TAG / WE2XGR/3