Flag semaphore

The following semaphore characters are presented as one would face the signalman:

Rest / Space

Numerals

Attention

A

B

C
Acknowledge/Correct

D

E
(8x) Error

F

G

H

I

J or Letters
Letters / Position Sign

K
Invitation to Transmit

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z