Title Categories Update Date Download Chuck Felton’s R-390F Notes, Part 1 1 file(s) 23 downloads July 25, 2019 Download Chuck Felton’s R-390F Modification Notes, Part 2 1 file(s) 21 downloads July 25, 2019 Download Universal Power Supply and Modulator Drawings by KF6AR 1 file(s) 35 downloads June 13, 2019 Download
