ITU prefix/Grid chart
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1st ltr/num → 2nd ltr/num ↓ |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
A |
Japan | United States of America | Norway | United Kingdom | United States of America | Peru | Netherlands | Not used 3 | Russia |
B |
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C |
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D |
Lebanon |
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E |
Austria |
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F |
Finland | ||||||||
G |
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H |
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I |
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J |
Netherlands Antilles |
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K |
Czech Republic |
Indonesia | |||||||
L |
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1st ltr/num → 2nd ltr/num ↕ |
J |
K |
L |
M |
N |
O |
P | Q |
R |
M |
Japan | United States of America | Norway | United Kingdom | United States of America | Slovakia |
Indonesia | Not used 3 | Russia |
N |
Belgium | ||||||||
O |
Argentina | ||||||||
P |
Brazil | ||||||||
Q |
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R |
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S |
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T |
Mongolia | ||||||||
U |
Denmark | ||||||||
V |
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W |
Norway | ||||||||
X |
Luxembourg |
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1st ltr/num → 2nd ltr/num ↕ |
J |
K |
L |
M |
N |
O |
P | Q |
R |
Y |
Jordan |
United States of America | Lithuania |
United Kingdom | United States of America | Denmark | Brazil |
Not used 3 | Russia |
Z |
Indonesia |
Bulgaria |
Suriname |
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0 |
Not used | Not used | Not used |
Not used | |||||
1 |
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2 |
Djibouti |
Argentina | Papua New Guinea |
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3 |
Grenada |
Cyprus |
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4 |
Greece |
Aruba |
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5 |
Guinea-Bissau |
North Korea | |||||||
6 |
Saint Lucia |
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7 |
Dominica |
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8 |
Saint Vincent and the Grenadines |
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9 |
Not used |
1 Series allocated to an international organization.
2 Provisional allocation in accordance with No. S19.33: (S19.33 Between radiocommunication conferences, the Secretary-General is authorized to deal with questions relating to changes in the allocation of series of call signs, on a provisional basis, and subject to confirmation by the following conference).
3 Three letter codes beginning with Q are for communication abbreviations, the Q Codes and not used as callsign prefixes.
4 Half series allocation.