Communication and signalling codes, signs and symbols

Wikipedia has a nice collection of common signals and messages.

Like:

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Dive-sign-up

  • phonetic alphabet
  • morse code

example of A “· —” (midi)

  • musical notes
  • hazard symbols
  • phonetic alphabet

A Alfa
B Bravo
C Charlie
D Delta
E Echo
F Foxtrot
G Golf
H Hotel
I India
J Juliett
K Kilo
L Lima
M Mike
N November
O Oscar
P Papa
Q Quebec
R Romeo
S Sierra
T Tango
U Uniform
V Victor
W Whiskey
X X-ray
Y Yankee
Z Zulu

  • voice procedure

Affirm — Yes
Negative — No
Reading you Five / Loud and clear — I understand what you say 5×5.
Over — I have finished talking and I am listening for your reply. Short for “Over to you.”
Out — I have finished talking to you and do not expect a reply.
Roger — I understand what you just said.
Copy — I heard what you just said.
Wilco — Will comply (after receiving new directions).

  • And many others…
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