EZ Keyer III

    After assembling the ZZRX-40 I wanted to try another kit from the Four State QRP Group.  I did not need a keyer—my main rig has a built-in keyer, as does the one-watter.  On the other hand a small self-contained battery-operated keyer is not a bad idea.  It can be taken anywhere and used for
CW training or practice.

    EZKeyer III (
Four State QRP Group): testMsg.mp4

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