[1] Today the Fort Sumter Range is the main approach channel to Charleston Harbor.

A temporary light with a steamer lens was in place after the war ended and Fort Sumter was reoccupied by federal troops.

The fog signal was a bell mechanically struck with a double blow every 15 s. After the rear light was extinguished in 1915, a radio beacon was added.

[1][2] The rear range light was a white lantern in the steeple of St. Philip's Church in Charleston that was lit in 1893.

[1][2] The Fort Sumter Range is currently the main approach channel to the Charleston Harbor.