, developed by Norbert Pieper of Polar Electric , is widely regarded by amateur radio enthusiasts as one of the most effective software-based CW (Continuous Wave) decoders available. It functions by decoding audio signals fed through a computer's sound card into readable text.
His blood ran cold. The MRP40’s final line wasn't part of the message. It was the software’s own verification stamp, a signature from a long-dead programmer: mrp40 morse code decoder verified
After 40 hours of on-air testing, here is the honest, verified breakdown. , developed by Norbert Pieper of Polar Electric