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Old March 26th 21, 06:52 AM posted to rec.radio.amateur.dx,rec.radio.info
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Default [DXZone] DL4YHF PIC-Keyer


The DXZone.com Amateur Radio Internet Guide

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DL4YHF PIC-Keyer

Posted:
https://www.dxzone.com/dx34324/dl4yhf-pic-keyer-.html

Technical Reference/Keyers
This page describes a printed circuit board that you may use to build a QRP
keyer.