Merry Christmas.Our trap and skeet club has recently been government inspected fo certification and the inspector deemed there was a chance some of our shotfall may be leaving the property. What we need to be able to continue shooting is chart or software pkg. showing the pellet trajectories of various pellet sizes including lead and steel shot in sizes 7 71/2 8 and 9's. Shotgun ballistics seem to be very hard to find online. Any help would be greatly appreciated. Thanks. Brian.