Jon Harder (K1US)

Articles (3)

TitleAuthor(s)PublicationDate
Dear Editor
Keyboard audio tone; full-sized keyboard from Double H Electronics; detecting two keys at once; communicating via tape with someone in...
SyntaxMarch 1983
Get Your System Together
Build a enclosure for your computer to keep everything organized.
SyntaxMarch 1983
RFI to CWSS: Hints and Tips
Cliff, NU4V, has given us a super CW transceive program. The following ideas have helped me get more use from...
Jon Harder (K1US)QZXFebruary 1984
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