Distance measurements are on level ground in still air.
Any other trap machine shall be adjusted so as to throw not less than equivalent angles. Any other trap machine shall be adjusted so as to throw not less than equivalent angles. However, no target is to be declared illegal unless it is more than 25 degrees outside the angles prescribed. Distance handicaps, when used, shall be prolongation's of the lines given in Diagram 1, commonly known as fan shaped. Should a trap be throwing targets that, although not necessarily illegal, appreciably vary from the legal targets as previously described, any shooter may request that management reset the trap even though prior squads have shot.