United States of America
People's Republic of China
Chile
Federal Republic of Germany
Canada
Islamic Republic of Pakistan
Portugal
Republic of India
Republic of the Philippines
Call Sign assigned to each country
The first one or two letters of call sign are assigned as a country code to
distinguish country. Alphabetic letters from A to Z and numerical numbers
from 0 to 9 are applied. For example, "K", "W", "WB" = USA, "F" =
France, "JA" = Japan, "UA" = Russia.
| Country | Country | Country | Country | ||||
| AA | United States of America |
BA | People's Republic of China |
CA | Chile |
DA | Federal Republic of Germany |
| AB | BB | CB | DB | ||||
| AC | BC | CC | DC | ||||
| AD | BD | CD | DD | ||||
| AE | BE | CE | DE | ||||
| AF | BF | CF | Canada |
DF | |||
| AG | BG | CG | DG | ||||
| AH | BH | CH | DH | ||||
| AI | BI | CI | DI | ||||
| AJ | BJ | CJ | DJ | ||||
| AK | BK | CK | DK | ||||
| AL | BL | CL | Cuba | DL | |||
| AM | Spain | BM | CM | DM | |||
| AN | BN | CN | Kingdom of Morocco | DN | |||
| AO | BO | CO | Cuba | DO | |||
| AP | Islamic Republic of Pakistan |
BP | CP | Republic of Bolivia | DP | ||
| AQ | BQ | CQ | Portugal |
DQ | |||
| AR | BR | CR | DR | ||||
| AS | BS | CS | DS | Republic of Korea | |||
| AT | Republic of India |
BT | CT | DT | |||
| AU | BU | CU | DU | Republic of the Philippines |
|||
| AV | BV | CV | Eastern Republic of Uruguay | DV | |||
| AW | BW | CW | DW | ||||
| AX | Australia | BX | CX | DX | |||
| AY | Argentine Republic | BY | CY | Canada | DY | ||
| AZ | BZ | CZ | DZ | ||||
| A0 | (Reserved) | B0 | (Reserved) | C0 | (Reserved) | D0 | (Reserved) |
| A1 | B1 | C1 | D1 | ||||
| A2 | Republic of Botswana | B2 | C2 | Republic of Nauru | D2 | Republic of Angola | |
| A3 | Kingdom of Tonga | B3 | C3 | Principality of Andorra | D3 | ||
| A4 | Sultanate of Oman | B4 | C4 | Republic of Cyprus | D4 | Republic of Cape Verde | |
| A5 | Kingdom of Bhutan | B5 | C5 | Republic of the Gambia | D5 | Republic of Liberia | |
| A6 | United Arab Emirates | B6 | C6 | Commonwealth of the Bahamas | D6 | Islamic Federal Republic of the Comoros | |
| A7 | State of Qatar | B7 | C7 | World Meteorological Organization | D7 | Republic of Korea | |
| A8 | Republic of Liberia | B8 | C8 | Republic of Mozambique | D8 | ||
| A9 | State of Bahrain | B9 | C9 | D9 |
| Country | Country | Country | Country | ||||
| EA |  Spain |
FA |  France |
GA |  United Kingdom of Great Britain and Northern Ireland |
HA | Republic of Hungary |
| EB | FB | GB | HB | Confederation of Switzerland | |||
| EC | FC | GC | HC | Ecuador | |||
| ED | FD | GD | HD | ||||
| EE | FE | GE | HE | Confederation of Switzerland | |||
| EF | FF | GF | HF | Republic of Poland | |||
| EG | FG | GG | HG | Republic of Hungary | |||
| EH | FH | GH | HH | Republic of Haiti | |||
| EI | Ireland | FI | GI | HI | Dominican Republic | ||
| EJ | FJ | GJ | HJ | Republic of Colombia | |||
| EK | Republic of Armenia | FK | GK | HK | |||
| EL | Republic of Liberia | FL | GL | HL | Republic of Korea | ||
| EM | Ukraine | FM | GM | HM | Democratic People's Republic of Korea | ||
| EN | FN | GN | HN | Republic of Iraq | |||
| EO | FO | GO | HO | Republic of Panama | |||
| EP | Islamic Republic of Iran | FP | GP | HP | |||
| EQ | FQ | GQ | HQ | Republic of Honduras | |||
| ER | Republic of Moldova | FR | GR | HR | |||
| ES | Republic of Estonia | FS | GS | HS | Thailand | ||
| ET | Federal Democratic Republic of Ethiopia | FT | GT | HT | Nicaragua | ||
| EU | Republic of Belarus | FU | GU | HU | Republic of El Salvador | ||
| EV | FV | GV | HV | Vatican City State | |||
| EW | FW | GW | HW | France | |||
| EX | Kyrgyz Republic | FX | GX | HX | |||
| EY | Republic of Tajikistan | FY | GY | HY | |||
| EZ | Turkmenistan | FZ | GZ | HZ | Kingdom of Saudi Arabia | ||
| E0 | (Reserved) | F0 | (Reserved) | G0 | (Reserved) | H0 | (Reserved) |
| E1 | F1 | G1 | H1 | ||||
| E2 | Thailand | F2 | G2 | H2 | Republic of Cyprus | ||
| E3 | Eritrea | F3 | G3 | H3 | Republic of Panama | ||
| E4 | Palestine | F4 | G4 | H4 | Solomon Islands | ||
| E5 | (Reserved) | F5 | G5 | H5 | (Reserved) | ||
| E6 | F6 | G6 | H6 | Nicaragua | |||
| E7 | F7 | G7 | H7 | ||||
| E8 | F8 | G8 | H8 | Republic of Panama | |||
| E9 | F9 | G9 | H9 |
| Country | Country | Country | Country | ||||
| IA |  Italy |
JA |  Japan |
KA | United States of America |
LA |  Norway |
| IB | JB | KB | LB | ||||
| IC | JC | KC | LC | ||||
| ID | JD | KD | LD | ||||
| IE | JE | KE | LE | ||||
| IF | JF | KF | LF | ||||
| IG | JG | KG | LG | ||||
| IH | JH | KH | LH | ||||
| II | JI | KI | LI | ||||
| IJ | JJ | KJ | LJ | ||||
| IK | JK | KK | LK | ||||
| IL | JL | KL | LL | ||||
| IM | JM | KM | LM | ||||
| IN | JN | KN | LN | ||||
| IO | JO | KO | LO |  Argentine Republic |
|||
| IP | JP | KP | LP | ||||
| IQ | JQ | KQ | LQ | ||||
| IR | JR | KR | LR | ||||
| IS | JS | KS | LS | ||||
| IT | JT | Mongolia | KT | LT | |||
| IU | JU | KU | LU | ||||
| IV | JV | KV | LV | ||||
| IW | JW | Norway | KW | LW | |||
| IX | JX | KX | LX | Luxembourg | |||
| IY | JY | Hashemite Kingdom of Jordan | KY | LY | Republic of Lithuania | ||
| IZ | JZ | Republic of Indonesia | KZ | LZ | Republic of Bulgaria | ||
| I0 | (Reserved) | J0 | (Reserved) | K0 | (Reserved) | L0 | (Reserved) |
| I1 | J1 | K1 | L1 | ||||
| I2 | J2 | Republic of Djibouti | K2 | L2 | Argentine Republic |
||
| I3 | J3 | Grenada | K3 | L3 | |||
| I4 | J4 | Greece | K4 | L4 | |||
| I5 | J5 | Republic of Guinea-Bissau | K5 | L5 | |||
| I6 | J6 | Saint Lucia | K6 | L6 | |||
| I7 | J7 | Commonwealth of Dominica | K7 | L7 | |||
| I8 | J8 | Saint Vincent and the Grenadines | K8 | L8 | |||
| I9 | J9 | (Reserved) | K9 | L9 |
| Country | Country | Country | Country | ||||
| MA | United Kingdom of Great Britain and Northern Ireland |
NA | United States of America |
OA | Peru | PA |  Kingdom of the Netherlands |
| MB | NB | OB | PB | ||||
| MC | NC | OC | PC | ||||
| MD | ND | OD | Lebanon | PD | |||
| ME | NE | OE | Austria | PE | |||
| MF | NF | OF |  Finland |
PF | |||
| MG | NG | OG | PG | ||||
| MH | NH | OH | PH | ||||
| MI | NI | OI | PI | ||||
| MJ | NJ | OJ | PJ | Kingdom of the Netherlands - Netherlands Antilles | |||
| MK | NK | OK | Czech Republic | PK |  Republic of Indonesia |
||
| ML | NL | OL | PL | ||||
| MM | NM | OM | Slovak Republic | PM | |||
| MN | NN | ON |  Belgium |
PN | |||
| MO | NO | OO | PO | ||||
| MP | NP | OP | PP |  Federative Republic of Brazil |
|||
| MQ | NQ | OQ | PQ | ||||
| MR | NR | OR | PR | ||||
| MS | NS | OS | PS | ||||
| MT | NT | OT | PT | ||||
| MU | NU | OU |  Denmark |
PU | |||
| MV | NV | OV | PV | ||||
| MW | NW | OW | PW | ||||
| MX | NX | OX | PX | ||||
| MY | NY | OY | PY | ||||
| MZ | NZ | OZ | PZ | Republic of Suriname | |||
| M0 | (Reserved) | N0 | (Reserved) | O0 | (Reserved) | P0 | (Reserved) |
| M1 | N1 | O1 | P1 | ||||
| M2 | N2 | O2 | P2 | Papua New Guinea | |||
| M3 | N3 | O3 | P3 | Republic of Cyprus | |||
| M4 | N4 | O4 | P4 | Kingdom of the Netherlands - Aruba | |||
| M5 | N5 | O5 | P5 |  Democratic People's Republic of Korea |
|||
| M6 | N6 | O6 | P6 | ||||
| M7 | N7 | O7 | P7 | ||||
| M8 | N8 | O8 | P8 | ||||
| M9 | N9 | O9 | P9 |
| Country | Country | Country | Country | ||||
| QA | (Reserved) | RA |  Russian Federation |
SA |  Sweden |
TA | Turkey |
| QB | RB | SB | TB | ||||
| QC | RC | SC | TC | ||||
| QD | RD | SD | TD | Republic of Guatemala | |||
| QE | RE | SE | TE | Costa Rica | |||
| QF | RF | SF | TF | Iceland | |||
| QG | RG | SG | TG | Republic of Guatemala | |||
| QH | RH | SH | TH | France | |||
| QI | RI | SI | TI | Costa Rica | |||
| QJ | RJ | SJ | TJ | Republic of Cameroon | |||
| QK | RK | SK | TK | France | |||
| QL | RL | SL | TL | Central African Republic | |||
| QM | RM | SM | TM | France | |||
| QN | RN | SN |  Republic of Poland |
TN | Republic of the Congo | ||
| QO | RO | SO | TO | France | |||
| QP | RP | SP | TP | ||||
| RQ | SQ | TQ | |||||
| QR | RR | SR | TR | Gabonese Republic | |||
| QS | RS | SS | Arab Republic of Egypt (a-m) Republic of the Sudan (n-z) |
TS | Tunisia | ||
| QT | RT | ST | Republic of the Sudan | TT | Republic of Chad | ||
| QU | RU | SU | Arab Republic of Egypt | TU | Republic of Cote d'Ivoire | ||
| QV | RV | SV |  Greece |
TV | France | ||
| QW | RW | SW | TW | ||||
| QX | RX | SX | TX | ||||
| QY | RY | SY | TY | Republic of Benin | |||
| QZ | RZ | SZ | TZ | Republic of Mali | |||
| Q0 | R0 | (Reserved) | S0 | (Reserved) | T0 | (Reserved) | |
| Q1 | R1 | S1 | T1 | ||||
| Q2 | R2 | S2 | People's Republic of Bangladesh | T2 | Tuvalu | ||
| Q3 | R3 | S3 | T3 | Republic of Kiribati | |||
| Q4 | R4 | S4 | (Reserved) | T4 | Cuba | ||
| Q5 | R5 | S5 | Republic of Slovenia | T5 | Somali Democratic Republic | ||
| Q6 | R6 | S6 | Republic of Singapore | T6 | Islamic State of Afghanistan | ||
| Q7 | R7 | S7 | Republic of Seychelles | T7 | Republic of San Marino | ||
| Q8 | R8 | S8 | Republic of South Africa | T8 | Republic of Palau | ||
| Q9 | R9 | S9 | Democratic Republic of Sao Tome and Principe | T9 | Republic of Bosnia and Herzegovina |
| Country | Country | Country | Country | ||||
| UA | Russian Federation |
VA | Canada |
WA | United States of America |
XA |  Mexico |
| UB | VB | WB | XB | ||||
| UC | VC | WC | XC | ||||
| UD | VD | WD | XD | ||||
| UE | VE | WE | XE | ||||
| UF | VF | WF | XF | ||||
| UG | VG | WG | XG | ||||
| UH | VH |  Australia |
WH | XH | |||
| UI | VI | WI | XI | ||||
| UJ |  Republic of Uzbekistan |
VJ | WG | XJ | Canada |
||
| UK | VK | WK | XK | ||||
| UL | VL | WL | XL | ||||
| UM | VM | WM | XM | ||||
| UN |  Republic of Kazakhstan |
VN | WN | XN | |||
| UO | VO | Canada | WO | XO | |||
| UP | VP | United Kingdom of Great Britain and Northern Ireland | WP | XP | Denmark | ||
| UQ | VQ | WQ | XQ | Chile | |||
| UR |  Ukraine |
VR | People's Republic of China - Honkong | WR | XR | ||
| US | VS | United Kingdom of Great Britain and Northern Ireland | WS | XS | People's Republic of China | ||
| UT | VT | Republic of India |
WT | XT | Burkina Faso | ||
| UU | VU | WU | XU | Kingdom of Cambodia | |||
| UV | VV | WV | XV | Socialist Republic of Viet Nam | |||
| UW | VW | WW | XW | Lao People's Democratic Republic | |||
| UX | VX | Canada | WX | XX | Portugal | ||
| UY | VY | WY | XY | Union of Myanmar | |||
| UZ | VZ | Australia | WZ | XZ | |||
| U0 | (Reserved) | V0 | (Reserved) | W0 | (Reserved) | X0 | (Reserved) |
| U1 | V1 | W1 | X1 | ||||
| U2 | V2 | Antigua and Barbuda | W2 | X2 | |||
| U3 | V3 | Belize | W3 | X3 | |||
| U4 | V4 | Saint Kitts and Nevis | W4 | X4 | |||
| U5 | V5 | Republic of Namibia | W5 | X5 | |||
| U6 | V6 | Federated States of Micronesia | W6 | X6 | |||
| U7 | V7 | Republic of the Marshall Islands | W7 | X7 | |||
| U8 | V8 | Brunei Darussalam | W8 | X8 | |||
| U9 | V9 | (Reserved) | W9 | X9 |
| Country | Country | Country | Country | ||||
| YA | Islamic State of Afghanistan | ZA | Republic of Albania | 0A | (Reserved) | 1A | (Reserved) |
| YB | Republic of Indonesia |
ZB | United Kingdom of Great Britain and Northern Ireland |
0B | 1B | ||
| YC | ZC | 0C | 1C | ||||
| YD | ZD | 0D | 1D | ||||
| YE | ZE | 0E | 1E | ||||
| YF | ZF | 0F | 1F | ||||
| YG | ZG | 0G | 1G | ||||
| YH | ZH | 0H | 1H | ||||
| YI | Republic of Iraq | ZI | 0I | 1I | |||
| YJ | Republic of Vanuatu | ZJ | 0J | 1J | |||
| YK | Syrian Arab Republic | ZK | New Zealand | 0K | 1K | ||
| YL | Republic of Latvia | ZL | 0L | 1L | |||
| YM | Turkey | ZM | 0M | 1M | |||
| YN | Nicaragua | ZN | United Kingdom of Great Britain and Northern Ireland | 0N | 1N | ||
| YO |  Romania |
ZO | 0O | 1O | |||
| YP | ZP | Republic of Paraguay | 0P | 1P | |||
| YQ | ZQ | United Kingdom of Great Britain and Northern Ireland | 0Q | 1Q | |||
| YR | ZR |  Republic of South Africa |
0R | 1R | |||
| YS | Republic of El Salvador | ZS | 0S | 1S | |||
| YT | Federal Republic of Yugoslavia | ZT | 0T | 1T | |||
| YU | ZU | 0U | 1U | ||||
| YV |  Republic of Venezuela |
ZV | Federative Republic of Brazil |
0V | 1V | ||
| YW | ZW | 0W | 1W | ||||
| YX | ZX | 0X | 1X | ||||
| YY | ZY | 0Y | 1Y | ||||
| YZ | Federal Republic of Yugoslavia | ZZ | 0Z | 1Z | |||
| Y0 | (Reserved) | Z0 | (Reserved) | 00 | 10 | ||
| Y1 | Z1 | 01 | 11 | ||||
| Y2 | Federal Republic of Germany | Z2 | Republic of Zimbabwe | 02 | 12 | ||
| Y3 | Z3 | The Former Yugoslav Republic of Macedonia | 03 | 13 | |||
| Y4 | Z4 | (Reserved) | 04 | 14 | |||
| Y5 | Z5 | 05 | 15 | ||||
| Y6 | Z6 | 06 | 16 | ||||
| Y7 | Z7 | 07 | 17 | ||||
| Y8 | Z8 | 08 | 18 | ||||
| Y9 | Z9 | 09 | 19 |
| Country | Country | Country | Country | ||||
| 2A | United Kingdom of Great Britain and Northern Ireland |
3A | Principality of Monaco | 4A | Mexico |
5A | Libya (Socialist People's Libyan Arab Jamahiriya) |
| 2B | 3B | Republic of Mauritius | 4B | 5B | Republic of Cyprus | ||
| 2C | 3C | Republic of Equatorial Guinea | 4C | 5C |  Kingdom of Morocco |
||
| 2D | 3D | Kingdom of Swaziland (a-m) Republic of Fiji (n-z) |
4D | Republic of the Philippines |
5D | ||
| 2E | 3E | Republic of Panama | 4E | 5E | |||
| 2F | 3F | 4F | 5F | ||||
| 2G | 3G | Chile | 4G | 5G | |||
| 2H | 3H | People's Republic of China |
4H | 5H | United Republic of Tanzania | ||
| 2I | 3I | 4I | 5I | ||||
| 2J | 3J | 4J | Azerbaijani Republic | 5J | Republic of Colombia | ||
| 2K | 3K | 4K | 5K | ||||
| 2L | 3L | 4L | Republic of Georgia | 5L | Republic of Liberia | ||
| 2M | 3M | 4M | Republic of Venezuela | 5M | |||
| 2N | 3N | 4N | Federal Republic of Yugoslavia | 5N | Federal Republic of Nigeria | ||
| 2O | 3O | 4O | 5O | ||||
| 2P | 3P | 4P | Democratic Socialist Republic of Sri Lanka | 5P | Denmark | ||
| 2Q | 3Q | 4Q | 5Q | ||||
| 2R | 3R | 4R | 5R | Republic of Madagascar | |||
| 2S | 3S | 4S | 5S | ||||
| 2T | 3T | 4T | Peru | 5T | Islamic Republic of Mauritania | ||
| 2U | 3U | 4U | United Nations | 5U | Republic of the Niger | ||
| 2V | 3V | Tunisia | 4V | Republic of Haiti | 5V | Togolese Republic | |
| 2W | 3W | Socialist Republic of Viet Nam | 4W | (Reserved) | 5W | Independent State of Western Samoa | |
| 2X | 3X | Republic of Guinea | 4X | State of Israel | 5X | Republic of Uganda | |
| 2Y | 3Y | Norway | 4Y | International Civil Aviation Organization | 5Y | Republic of Kenya | |
| 2Z | 3Z | Republic of Poland | 4Z | State of Israel | 5Z |
| Country | Country | Country | Country | ||||
| 6A | Arab Republic of Egypt | 7A | Republic of Indonesia |
8A | Republic of Indonesia |
9A | Republic of Croatia |
| 6B | 7B | 8B | 9B | Islamic Republic of Iran | |||
| 6C | Syrian Arab Republic | 7C | 8C | 9C | |||
| 6D | Mexico |
7D | 8D | 9D | |||
| 6E | 7E | 8E | 9E | Federal Democratic Republic of Ethiopia | |||
| 6F | 7F | 8F | 9F | ||||
| 6G | 7G | 8G | 9G | Ghana | |||
| 6H | 7H | 8H | 9H | Malta | |||
| 6I | 7I | 8I | 9I | Republic of Zambia | |||
| 6J | 7J | Japan |
8J | Japan |
9J | ||
| 6K |  Republic of Korea |
7K | 8K | 9K | State of Kuwait | ||
| 6L | 7L | 8L | 9L | Sierra Leone | |||
| 6M | 7M | 8M | 9M | Malaysia | |||
| 6N | 7N | 8N | 9N | Nepal | |||
| 6O | Somali Democratic Republic | 7O | Republic of Yemen | 8O | Republic of Botswana | 9O |  Democratic Republic of the Congo |
| 6P | Islamic Republic of Pakistan |
7P | Kingdom of Lesotho | 8P | Barbados | 9P | |
| 6Q | 7Q | Malawi | 8Q | Republic of Maldives | 9Q | ||
| 6R | 7R | People's Democratic Republic of Algeria | 8R | Guyana | 9R | ||
| 6S | 7S | Sweden | 8S | Sweden | 9S | ||
| 6T | Republic of the Sudan | 7T |  People's Democratic Republic of Algeria |
8T | Republic of India |
9T | |
| 6U | 7U | 8U | 9U | Republic of Burundi | |||
| 6V | Republic of Senegal | 7V | 8V | 9V | Republic of Singapore | ||
| 6W | 7W | 8W | 9W | Malaysia | |||
| 6X | Republic of Madagascar | 7X | 8X | 9X | Rwandese Republic | ||
| 6Y | Jamaica | 7Y | 8Y | 9Y | Trinidad and Tobago | ||
| 6Z | Republic of Liberia | 7Z | Kingdom of Saudi Arabia | 8Z | Kingdom of Saudi Arabia | 9Z | (Reserved) |