7:42The AWA 6AQ5 CW transmitter output 4 to 8 watts also. added a TR switch home brew.Gary Cowger159 views·2 weeks ago
4:29Homebrew QRP Hartley CW transmitter, using a 1625 tube 3 to 5 watts outputGary Cowger147 views·7 months ago
8:05Old vintage tube set brought to life with the green eye regenerative receiver for AM broadcast.Gary Cowger321 views·11 months ago
8:30A easy way to make an RM, Italy KL-203p amp. to work with the Xiegu G90.Gary Cowger697 views·1 year ago