CW Kits

Share Button

Please see our Store Info page for Payments, Shipping, Handling, & DX ordering.

(Click on the pictures and titles for detailed information and assembly manuals)

We can also build the kit for you! Assembled prices are in th



Configurable Audio Limiter Filter

Is QRM and QRN getting you down? Don’t have a cow, get a CALF!   CALF – the Configurable Audio Limiter Filter is designed to help pull signals out of the QRM and noise with bandwidths down to <100Hz and skirts up to 40db/octave on a 700Hz center frequency.  Includes experimenter options.



The little brother of the 3CPO Iambic keyer/Trainer



Code Practice Oscillator & Keyer

3CPO combines the DL3LJ YACK keyer IC w/ Iambic trainer, a Twin-T oscillator, input protection, and a positive/negative transmitter keying circuit into one unit. The Twin-T oscillator provides a near-sine wave along with properly shaped audio CW signals.

e detailed pages. Contact us if you would like a kit built but assembly price is not listed.

Share Button