October 4, 2025

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine

via the RSGB: 15 May – The T41-EP ALPS: A High Performance CW Decoder by Jack Purdum, W8TEE and Al Peter, AC8GY

Jack and Al collaborated to build the T41-EP, a 7 band, 20W, CW/SSB SDR transceiver and this presentation is chiefly about how they developed the high performance CW decoder.

Jack and Al co-authored the Software Defined Radio Transceiver (2022) and Microcontroller Projects for Amateur Radio (2019) books and numerous articles and presentations. They are also co-founders of the Greater Cincinnati Builders Group and were awarded the RSGB’s Bennett Prize in 2021 for their article on their “Double-Double Magnetic Loop” antenna article in the February, 2020, issue of RadCom.