Amateur radio operators typically use the International Telecommunications Union or ITU Phonetic Alphabet. The ITU Phonetic Alphabet is also known as the NATO or International Aviation Alphabet. This is the phonetic alphabet you should memorize for amateur radio use.
| Letter | ITU Phonetics |
| A | Alpha |
| B | Bravo |
| C | Charlie |
| D | Delta |
| E | Echo |
| F | Foxtrot |
| G | Golf |
| H | Hotel |
| I | India |
| J | Juliet |
| K | Kilo |
| L | Lima |
| M | Mike |
| N | November |
| O | Oscar |
| P | Papa |
| Q | Quebec |
| R | Romeo |
| S | Sierra |
| T | Tango |
| U | Uniform |
| V | Victor |
| W | Whiskey |
| X | X-Ray |
| Y | Yankee |
| Z | Zulu |