Okla. Admin. Code § 25:35-1-2
The following words and terms, when used in this chapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Anemometer" is an instrument for measuring and recording wind speed;
"Anemometer tower" is a structure, including all guy wires and accessory facilities, on which an anemometer is mounted, that is fifty (50) feet in height above the ground or higher, is not located within the boundaries of a municipality, and whose appearance is not otherwise regulated by state or federal law; and
"Commission" means the seven members of the Oklahoma Aerospace and Aeronautics Commission as appointed by the governor.
"Department" means the Oklahoma Department of Aerospace and Aeronautics, the state agency responsible for the administration and enforcement of the anemometer tower regulations.
Okla. Admin. Code § 25:35-1-2