Pop quiz for the class.

[W3WN]

That won't fit. You get 13 characters max, including spaces. Plus, putting the "CQ DX" in front of my call would make it impossible to simply double-click on the text in JT65-HF. JT65-HF doesn't know how to grab the callsign received if it's not right after the "CQ". It's a quirk in the program.

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Would "CQDX KJ3N CQ" work? Or is that hoping for too much?

"What's it like?"