Original sentence: It has been widely used commercially, and implemented in vertical antenna heights ranging from over 100 feet 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: It 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)