American Football NCAA Rule 3-2-4-a
The type of game clock and the location of the game clock operator shall be determined by the game management. The game clock operator may be located on the sideline or in the traditional press box area. If the clock operator is in the traditional press box, it is recommended the location is between the goal lines. This location shall be shielded from public interference and shall afford a direct and unobstructed view of the playing field.