 |
| |||
| call sign (The identifying code letters or numbers of a radio or television transmitting station, assigned by a regulatory body) | |||
| identification signal | |||
| answer-back code; call-sign | |||
| identification sign | |||
| señal de identificación: 15 phrases in 6 subjects |
| Communications | 2 |
| Electronics | 7 |
| Radio | 1 |
| Radiolocation | 1 |
| Rail transport | 1 |
| Transport | 3 |