The Cape Race was created in 2009.

Decometer was the father of Loran, used by english troops during WW2.

It is a navigation instrument based on the same principle of the Loran-C.

Robert W. Lilley has written:

'Loran-C performance assurance assessment program' -- subject(s): Navigation aids, Onboard equipment, Air navigation, Loran C., Instrument approach, Loran, Airplanes, Landing, Instrument landing systems

• Celestial navigation, also known as astronavigation (you measure angles of celestial objects with a sextant)
• Radio direction finding (you use a directional radio antenna to determine direction of transmitter)
• Non-directional beacon
• VHF omnidirectional range (VOR)
• Lorenz beam (this is a beam following system)
• Low frequency radio range
• Gee
• LOng-range Aid to Navigation, LORAN (hyperbolic navigation system using pairs of transmitters)
• LORAN-C (improved version of LORAN)
• Decca Navigator System
• Omega
• Alpha
• etc.

Cape Argus Cycle Race was created in 1978.