| 1. | There are two triangulation stations at the top of the mountain.
|
| 2. | There is one triangulation station at the top of the mountain.
|
| 3. | A triangulation station often had two or three reference marks.
|
| 4. | Horizontal position markers used for triangulation are also known as triangulation stations.
|
| 5. | There is a triangulation station at the top marked " 247126001 ".
|
| 6. | A mound in the centre was once an Ordnance Survey triangulation station.
|
| 7. | There is also a triangulation station on the peak.
|
| 8. | The mountain is also home to a triangulation station and the Atago Shrine.
|
| 9. | Access to the triangulation station is not allowed.
|
| 10. | Omicron Hill took its name from a surveyor's triangulation station atop the summit.
|