Monday, October 23, 2017

 Ham Radio - QRP: Vibroplex Vibrokeyer

 Interesting analysis of the design of Vibro-Plex single lever. It all makes sense to me.

 Ham Radio - QRP: Vibroplex Vibrokeyer: Get it right the first time The electronic keyer, for sending Morse code, came into into use in the late 1950's and early 1960's....

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