Shortwave Radiogram, 18-25 June 2026 (program 454): Digital modes that will clean the barnacles off your ship

Last week's test of the Olivia 32-2000 provided some successes where the MFSK32 had some or many errors. There were also instances in which the Olivia 32-2000 had a few errors. I think the Olivia 64-2000 would have been perfect in such reception conditions. We will compare modes when the Extreme Shortwave project starts in a few weeks. The most dramatic example of the Olivia 32-2000 was during the…