Before revision: The RAF continued using the system as late as 1955 , under the name Standard Beam Approach (SBA).Walter Blanchard, "Hyperbolic Airborne Radio Navigation Aids", The Journal of Navigation, Volume 44 Number 3, September 1991 The basic idea behind the short-range LFF system was later developed into a long-range system for air navigation known as Elektra.
After revision: The RAF continued using the system as late as 1960 at RAF Ternhill , under the name Standard Beam Approach (SBA).Walter Blanchard, "Hyperbolic Airborne Radio Navigation Aids", The Journal of Navigation, Volume 44 Number 3, September 1991 The basic idea behind the short-range LFF system was later developed into a long-range system for air navigation known as Elektra.