The Q Code

The Q Code came into being internationally in 1912 to overcome the
language problems involved in communications by radio among ships and
shore stations of all countries. The original list of 50 adopted by international agreement in London contain many which are still familiar
to amateur operators-QRN, QRM, QSO, the traffic operator's QRK, QSY and
QRV -are now well past the half-century mark in continuous usage. QSL
still has the official 1912 definition despite the changed informal
usages it is subjected to in amateur parlance.

The QN signals for amateur net operation were introduced in the late
1930s by W1UE (now W4IA) to lighten the burdens of net control operators.


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