The first radio beacon is inaugerated. An executive photograph showing Dr. George K. Burgess, Director fo the United States Bureau of Standards, and the aircraft radio beacon at College Park, Maryland, designed for guiding airplanes by radio. This is the first radio beacon for use of civil aviation and this station is bur a forerunner of 40 other similar installations to be established at 200-mile intervals along the 8,234 miles of civil airways