Web1. A system using transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distance to the floor of a body of WebLabel. "Listening Post, Dungeness" is a representation of one of several 'acoustic mirrors' found along the Kent and north east coastlines. These primitive early warning devices were erected during the 1920s and 30s, …
The Concrete “Sound Mirrors” That Influenced WWII, …
WebRM2CB7PGM – Denge sound mirrors or listening ears. Concrete structures designed to pick up enemy aircraft coming from the channel. ... RFJ58XTM – A 200 feet long acoustice mirror at Denge in Kent, UK. Acoustic mirrors were built to amplify the sound of approaching enemy aircraft before the intr. ... RFE8JXKF – unusual sign post. … WebApr 11, 2024 · The Sound Mirrors, also known as Acoustic Mirrors, Concrete Dishes, or Listening Ears, are large concrete structures designed as an early warning system for … megabus weymouth
Folkestone sound mirror viewpoint, Kent Downs AONB
WebAug 9, 2024 · The big, brutalist structures look both ancient and eerily futuristic; they are a cross between a ruin and satellite dish to the … WebHowever, interest in the sound mirrors was briefly revived in 1943 when it was feared that Germany might have developed an effective method of jamming the British coastal defence radar stations. Post Office engineers made tests at the Greatstone mirror to see if the mirrors could be used after all in case of emergency. WebSound mirror, now incorporated within house. 1916, converted into house by late 1930s. Sound mirror built of reinforced concrete, the shuttered lifts to the exterior clearly visible. House has slate-clad stud walls and corrugated asbestos roof, with 2-window front and window inserted into left-side wall; extensions to rear and right. megabus washington to nyc