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I have been a ham for almost 20 years, and when on CW I have always sent my call, name, RST, and full QTH. I have noticed that now many operators send NR 5280 or something similar instead of their QTH. What does this number represent? I know for sure it is not a Grid Square.

Kevin Reid AG6YO
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user16406
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2 Answers2

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I found a reasonable-looking answer here:

https://forums.qrz.com/index.php?threads/qso-party-question.156343/

As @Mike Waters said, it's probably the sequence number for a contest, i.e. the number of contest stations they've worked.

byl
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"NR" has double meaning in CW - its both "near" and "number". 5280 in your example is most likely a number in a contest. Also it might be a club number, e.g. SKCC NR 123, depending on a context.