简介：电报最早是由美国的摩尔斯在1844年发明的，故也被叫做摩尔斯电码。它由两种基本信号和不同的间隔时间组成：短促的点信号" ．"，读" 的 "（Di）；保持一定时间的长信号"─"，读"答 "（Da）。间隔时间：滴，1t；答,3t；滴答间,1t；字母间,3t；字间,5t。

摩尔斯电码
A . _	M _ _	Y _ . _ _
B _ . . .	N _ .	Z _ _ . .
C _ . _ .	O _ _ _	1 . _ _ _ _
D _ . .	P . _ _ .	2 . . _ _ _
E .	Q _ _ . _	3 . . . _ _
F . . _ .	R . _ .	4 . . . . _
G _ _ .	S . . .	5 . . . . .
H . . . .	T _	6 _ . . . .
I . .	U . . _	7 _ _ . . .
J . _ _ _	V . . . _	8 _ _ _ . .
K _ . _	W . _ _	9 _ _ _ _ .
L . _ . .	X _ . . _	0 _ _ _ _ _

　

標準字母拼讀
A = Alpha	M = Mike	Y = Yankee
B = Bravo	N = November	Z = Zulu
C = Charlie	O = Oscar	1 = Unaone
D = Delta	P = Papa	2 = Bissotow
E = Echo	Q = Quebec	3 = Terrathree
F = Foxtrot	R = Romeo	4 = Kartefour
G = Golf	S = Sierra	5 = Pantafive
H = Hotel	T = Tango	6 = Soxisix
I = India	U = Uniform	7 = Setteseven
J = Juliet	V = Victor	8 = Oktoeight
K = Kilo	W = Whiskey	9 = Novenine
L = Lima	X = X-ray	0 = Nadazero