Hey all! Check out this video from the ARRL, showing a little in-house Common Mode Current Choke building competition they posted a couple months ago: They have people of various experience levels, from not-a-ham(-yet) to veteran Amateur Extra, build different designs of common mode current chokes. Then (starting at about 5:45 into the video) they hook up their chokes to… Read More »CMCC Test Rig, used in ARRL Labs?!
UPDATED 2024-06-18: I still love my NanoVNA V2 Plus 4. I use it for HF, VHF, and UHF. It has served me very well for work on EggNOGS (up to around 450MHz.) It is still what I recommend, for all the reasons below. However, the price has gone up to $299. I think it was $199 when I bought it.… Read More »Which NanoVNA Should I Get?
I got a question today that I realized I haven’t answered well/publicly enough: “What is the CMCC Test Rig? What problem does it solve? How would I use it?” — Mailing list subscriber. Asked in DM so I’ll keep it anonymous. Those weren’t the exact words, but that’s basically what they were asking. The Short Answer: The CMCC Test Rig… Read More »What is the Common Mode Current Choke Test Rig?