Testing the PARALLAX PING))) Sensor (SURFACE WAS CONCRETE) Measured Height(inches) Ping Determined Height(inches) Angle(degrees) (Initial Height) 10 10 0 10 10 10 20 11 30 12 35 135 40 15 15 0 15 10 16 20 17 30 135 35 24 24 0 24 10 25 20 25 30 135 35 48 40 30 30 0 30 10 30 20 31 30 32 35 71 40 40 40 0 40 10 41 20 41 30 42 35 70 40 60 61 0 61 10 61 20 62 30 62 35 100 40 70 71 0 71 10 72 20 72 30 73 35 112 40 80 82 0 82 10 82 20 84 30 119 35