So I live a near a school which is about 200 meters away from my home. I live in a pretty dense area in Long Island so I know the range will be limited. However, every time I fly near the school, about 50m away, the signal gets interrupted. But if I fly in a different direction, I can go over 1,000 meters away. So do they use any signal blocker or is there a geo zone near schools in general? Thanks.