Aircraft Communications Addressing and Reporting System () data is used to send messages to and from commercial airlines' aircraft. A good explanation can be found here. The frequencies used in the United States for ACARS are:
About the Ohio Expo Center. In 1886, what is now known as the Ohio Expo Center became the permanent home of the Ohio State Fair. Years of planning and the acquisition of more than 100 acres of beautiful land adjacent to a major railroad intersection in Columbus culminated on August 30, 1886 when the 37th Ohio State Fair opened its gates.
The Indiana State Fairgrounds offers modern event facilities in a historical setting. The Indiana State Fairgrounds first opened in 1892 and has hosted 115 Indiana State Fairs. Prior to 1892, the first 40 Indiana State Fairs were held at rotating sites around the state.In 1990, the Indiana State Fairgrounds began its present existence as a year-round events center.rior to 1892, the first 40 Indiana State Fairs were held at rotating sites around the state. In 1990, the Indiana State Fairgrounds began its present existence as a year-round events center.