During the CWOps CWA Intermediate course I had trouble getting CW into the mike with the keyer of my IC-7300. During the video meetings my CW had some echo sound and it was difficult for the others to read. I still had an old K1EL keyer from the estate of PA3BCB. Had to find out how it should work. In the end I found some documentation and a power supply. I got the thing working but the sound was not too loud. I didn't want to dismantle to whole thing to solder the sounder off the printboard to extend or amplify it. So I drilled a hole just above the sounder and took a stiff hose which I put into the hole. At the other end of the hose I mounted a half part of an fuel filter to amplify the sound a bit. Then I put that on the mike as you can see. Everyone was happy now and this is how I transfered my CW sound into the mike for the video meetings.
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