This table summarises the main Morse signals; some of the less common codes are omitted.
A .- | B -... | C -.-. | D -.. | E . | F ..-. | G --. |
H .... | I .. | J .--- | K -.- | L .-.. | M .-.. | N -. |
O --- | P .--. | Q --.- | R .-. | S ... | T - | U ..- |
V ...- | W .-- | X -..- | Y -.-- | Z --.. | ||
1 .---- | 2 ..--- | 3 ...-- | 4 ....- | 5 ..... | 6 -.... | 7 --... |
8 ---.. | 9 ----. | 0 ----- | ||||
Full stop | ...... | |||||
Beginning of transmission | -.-.- | |||||
End of transmission | .-.-. | |||||
Mistake | ....... |
for example, -.-.- --. --- --- -.. .-.. ..- -.-. -.- .-.-. translates as "[Begin transmission] GOOD LUCK [End transmission]", while .-.. .- -.-- -.. .- -.-- is "MAYDAY", the international distress signal that was later replaced by SOS (... --- ...)
Technical Note: Early radio distress signals were based on complex Q-codes, which are difficult to explain and of limited interest to most players. If you understand this system and wish to use it, please feel free; just be prepared to spend a long time explaining them! The Forgotten Futures adventures generally use Mayday or SOS even when it is anachronistic.