Loran-c navigation apparatus
Loran-c third cycle identification through the use of omega
Low cost instant rtk positioning system and method
Low elevation guidance system
Low energy radar system
Low irradiance sensor with iterative angular resolution...
Low noise frequency synthesizer using half integer dividers...
Low power radar level instrument with enhanced diagnostics
Low prf pulse doppler radar with reduced doppler ambiguities
Low probability of intercept coherent radar altimeter
Low visibility imaging radar system
Low-cost, high-performance radar networks