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.

Measuring the TX power of the Penntek TR-45L. At minimum, 36 mV into 50 Ω, or -16 dBm. And a smidge below 8 V when the rig indicates 1 W, which checks out.

Should actually be closer to 7 V… maybe something is off a bit

Seems to be accurate at 2 W, measuring 10 V.

Fun new toy. Called by ⁦@AlanAtTek⁩ 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 @peakatlas DCA Pro, Model DCA75, with brief comparisons to common low-cost testers and a traditional curve tracer: youtu.be/cWqeyn17Vac

Getting some CW practice in while letting a beta of @joulescope run

Source code for connecting Morse key to your phone available github.com/mfikes/morse-k…

Need to put the Nordic in an enclosure