| 5.6.2.2.2. | The measuring equipment shall be such that the angle subtended by the receiver from the reference centre of the light is between 10' and 1° | a0c0 |
| 5.6.2.2.2. | The measuring equipment shall be such that the angle subtended by the receiver from the reference centre of the light is between 10' and 1° | a0c0 |