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Hello wise ones,

I recently aquired a Junker straight key. Now i want to hook it up to the proper hardware to make the dits and dahs. On youtube I saw various small boxes used for training. I have no idea what they are called and couldnt find any in stores. Anyone out here who could point me to DIY kits of any kind? Thanks in advance!

Hi John

Try searching for morse code oscillator.

You are probably better putting the money into QRP CW transceiver kit tho . . ( don't go for a very cheap one )

eg

https://qrpguys.com

https://www.qrpkits.com/

. . . but supplies seem to be a bit tight, due to covid I expect.

The Junker connections are the left and centre ( chassis ) looking from the back.

cb

Thank you! I ordered the QRPGuys KD1JV Code Trainer.

There is a filter in the bottom of the Junker. Maybe you have to bypass it. for hi input impedance kits.

Thanks, i’ll keep that in mind