| A | ALPHA | J | JULIETT | S | SIERRA | ||
| B | BRAVO | K | KILO | T | TANGO | ||
| C | CHARLIE | L | LIMA | U | UNIFORM | ||
| D | DELTA | M | MIKE | V | VICTOR | ||
| E | ECHO | N | NOVEMBER | W | WHISKEY | ||
| F | FOXTROT | O | OSCAR | X | X-RAY | ||
| G | GOLF | P | PAPA | Y | YANKEE | ||
| H | HOTEL | Q | QUEBEC | Z | ZULU | ||
| I | INDIA | R | ROMEO | ||||
ARRL's National Traffic System for the 21st Century