Loran C
Loran C is a terrestrial radio navigation system that uses low-frequency radio signals from fixed transmitters to determine position and timing. It was widely used for maritime and aviation navigation from the mid-20th century until the rise of GPS, providing long-range coverage with high accuracy for its time. The system operates by measuring the time difference of arrival of synchronized signals from multiple ground-based stations to calculate a receiver's location.
Developers should learn about Loran C primarily for historical context in navigation technology or when working on legacy systems in maritime, aviation, or timing applications. It's relevant for understanding the evolution of positioning systems, such as in retrofitting old equipment or studying signal processing techniques. Knowledge of Loran C can also be useful in niche fields like backup navigation systems or in regions where GPS signals are unreliable.