Amateur Extra Class: 2020–2024
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E1A12:

What special operating frequency restrictions are imposed on slow scan TV transmissions?

  1. None; they are allowed on all amateur frequencies
  2. They are restricted to 7.245 MHz, 14.245 MHz, 21.345 MHz, and 28.945 MHz
  3. They are restricted to phone band segments
  4. They are not permitted above 54 MHz
E1A01 E1A02 E1A03 E1A04 E1A05 E1A06 E1A07 E1A08 E1A09 E1A10 E1A11 E1A12 E1A13 E1A14

International Morse Code: Alphabet Characters

Letter Morse Code Sound Listen
A • – didah
B – • • • dahdididit
C – • – • dahdidahdit
D – • • dahdidit
E • dit
F • • – • dididahdit
G – – • dahdahdit
H • • • • didididit
I • • didit
J • – – – didahdahdah
K – • – dahdidah
L • – • • didahdidit
M – – dahdah
N – • dahdit
O – – – dahdahdah
P • – – • didahdahdit
Q – – • – dahdahdidah
R • – • didahdit
S • • • dididit
T – dah
U • • – dididah
V • • • – didididah
W • – – didahdah
X – • • – dahdididah
Y – • – – dahdidahdah
Z – – • • dahdahdidit

International Morse Code: Numbers

Number Morse Code Sound Listen
1 • – – – – didahdahdahdah
2 • • – – – dididahdahdah
3 • • • – – didididahdah
4 • • • • – dididididah
5 • • • • • dididididit
6 – • • • • dahdidididit
7 – – • • • dahdahdididit
8 – – – • • dahdahdahdidit
9 – – – – • dahdahdahdahdit
0 – – – – – dahdahdahdahdah

International Morse Code: Punctuation and Other Characters

Character Morse Code Sound Listen
Period • – • – • – didahdidahdidah
Comma – – • • – – dahdahdididahdah
Question Mark • • – – • • dididahdahdidit
Slash – • • – • dahdididahdit
Equals – • • • – dahdidididah