HQ Stations are identified by the fact that they
send something other than numbers in the exchange
- apart from AC, R1, R2 and R3 which are valid
This is independent of any specific callsign(s) used
by HQ stations. The callsign identifies the country
and, in turn, the Society code or initials.
SD uses this to auto-fill HQ codes when the user
types any non-numeric character in the Zone field.
One character is enough. For example, if you hear
MARTS from 9M2HQ, enter M, or any other letter, to
log the full code - saving 4 keystrokes, and with
the confidence that you know you logged the correct
code. There's no need to clear an existing auto-
filled zone before typing the letter.
SD is intended for SO unassisted entries. V13.24
runs on any Windows PC and is free from
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