Do all CW operators know what the CW prosign KN means? (Part 2)

Yes indeed, I don’t have a problem with it myself, and am happy to go along with the present day definition and customary usage. You will note I carefully and deliberately used the phrase “the moderator might take down…”. This is because our moderator is of advancing years and may only have been familiar with the 16th Century version. If so, I trust he gave himself a good ticking off.