The signal station and observation room were added to the base of the tower in 1950.

There they destroyed a signal station and a battery of two guns.

A signal (radio) station is located by the top of the peak.

The island's light and signal station were both established in 1791.

The modern equivalent of the signal station, still exists on the island in 2011.

A signal station was erected on the hill in 1845.

The men made it to their fort and the signal station fell into enemy hands.

It may have served as a signal station or lookout.

In 1825 the eastern wall of the fort was converted to a signal station.

On the drive back home, they stop at the signal station Honda saw several days ago.