0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
1. Radiolocation intended for the determination of position or direction or for obstruction warning in navigation. [JP1] 2. Radiodetermination used for the purposes of navigation, including obstruction warning. [NTIA] [RR]