I was flying my p3 pro in the desert & dubai, in some place where theres only 1 tower higher than 100 meter in the middle of desert belongs to the patrol offices watever its called , I fly between 30 meters H and far from me not more than 50 meters, after the drone goes behind the tower i received directly a RC weak signal ?!!!! Is that normal when theres some bloks between the rc and the drone to had that issues ?!?!?