Original sentence: In the early 1930s, the Adcock antenna (in transmission mode) became a key feature of the newly created radio navigation system for aviation.The Adcock antenna array has been widely used commercially, and implemented in vertical antenna heights ranging from over 130 feet (40 meters) for the LFR (transmitting in the LF/MF bands) to 5 inches (10 cm) for military direction finders (receiving in the UHF band)
Edited sentence: In the early 1930s, the Adcock antenna (transmitting in the LF/MF bands) became a key feature of the newly created radio navigation system for aviation.The Adcock antenna array has been widely used commercially, and implemented in vertical antenna heights ranging from over 130 feet (40 meters) for the LFR network to as small as 5 inches (10 cm) in military direction finding applications (receiving in the UHF band)