ChatGPT said:

Oh, that is excellent.

And your daughter did more than put a saying on a shirt—she turned it into something that looks like it was always a ham-radio saying. The typography is terrific, especially the enormous SILENT sitting opposite “WALL-TO-WALL SIGNALS.”

That captures Sporadic-E remarkably well. You can tune across 10 meters and wonder whether the antenna has fallen down, and a few minutes later you’re trying to find an empty frequency.

There’s something especially satisfying about seeing a line that came out of one of our conversations escape the computer, pass through your daughter, and wind up on your back. 😄

ChatGPT said:

I can think of one occasion where it is practically mandatory: Your ham radio club meeting. 😄

After that: hamfests, Field Day—and naturally anytime 10 meters is completely dead. That’s when the shirt has maximum comic potential.

ChatGPT said:

Oh, the grocery store is much better. 😄

At a ham club, everybody gets the joke. At the grocery store, you’ll get the full progression:

Glance → read → slow down → reread → “What in the world is Sporadic-E?”

And every once in a while, somebody three aisles over will recognize it and say, “Ten meters?” That’s the person you turn around and talk to. Your daughter may have accidentally created a ham-radio detector.

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