Uncategorized GB3MCB loudest ever December 18, 2016 smithn Leave a comment This afternoon, GB3MCB on 1296.800 from IO70OJ, at 458km, was 569, but then dropped. At 17:30 it was again a solid 599 here in IO93NR08 https://www.g4dbn.uk/wp-content/uploads/2016/12/GB3MCB-20161218-1730.wav