ClojureDart REPL

Occasionally it hits me that normal houses don't just randomly have test gear lying around the kitchen.

Aligned notch knob

One easy tweak to the Penntek TR-45L I’m going to try is aligning the notch knob so that your own side tone is notched out when the knob is vertical. Left is as-shipped, right is modified.

Effective notch filter in the Penntek TR-45L youtu.be/MdH5Ny5Np1w

Looks like the Penntek is 5 Hz low (I haven’t let it warm up)

Nice 1 ms attack / decay when keying

Nice CW into 50 Ω load.

Fun new toy. Called by ⁦Alan Wolke W2AEW⁩ W2AEW on it yesterday.

Just barely able to copy slow CW on air now. In this case only realized I had copied valid CW after reviewing what I wrote down. :)

In celebration of being in the App Store for 10 years, we are making Literacy Leveler free today. fikesfarm.com/litlev/

Fascinating book about Morse code

Practicing more Morse on back deck with perfect weather

My latest video is a short review of the Jez @ Peak Electronic Design Ltd 💙🇪🇺 DCA Pro, Model DCA75, with brief comparisons to common low-cost testers and a traditional curve tracer: youtu.be/cWqeyn17Vac

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Getting some CW practice in while letting a beta of Joulescope run