 |
| |||
| allowance | |||
| guard band (between frequency bands) | |||
| guard period; guard time | |||
| head clearance (Kolben) | |||
| guard-distance | |||
| minimum safety distance | |||
| clearance distance; safety clearance; safety distance; safety margin | |||
| safe headway; clearance; collision avoidance distance; safety headway | |||
| safe distance | |||
| Sicherheitsabstand: 6 phrases in 2 subjects |
| Mechanic engineering | 4 |
| Transport | 2 |