Low Probability of Detection/Low Probability of Interception(LPD/LPI) in layman’s terms refer to microwave signal equipment. As the name suggests, and the image above demonstrates, microwave signals are extremely Line-of -Sight. The use of microwave equipment happens all around you everyday; looking on most communications relay towers, you’ll see microwave relay dishes normally in direct line … Continue reading A Few Sources on Obscure/Covert Electronic Communications