Chuck aa0hw's Blog – February 2019 Archive (1)

QRQ CW Keyboard computer interface - using the Peterson Chromatic Tuner 320 & a FET optoisolator

this is a follow up video to the first two videos about using a PETERSON CHROMATIC TUNER 320 as a COMPUTER based CPO CODE PRACTICE OSCILLATOR that you can key, in with STRAIGHT KEY, IAMBIC PADDLES and a CW KEYBOARD

this video demos using an MFJ 451 CW KEYBOARD for QRQ CW sending using the same setup - a PETERSON CHROMATIC TUNER 320 and a FET…

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Added by Chuck aa0hw on February 8, 2019 at 2:10pm — No Comments

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