Haraden Pratt

Sixty five years ago this month, the PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS (IRE) included a paper by Haraden Pratt on an aircraft radio beacon. By the time his paper was published, he was an engineer with Mackay Radio and Telegraphy Company of New York City, but he had worked at the National Bureau of Standards when the beacon system was under development. In addition to his technical contributions to radio, Pratt served the IRE and the IEEE in various capacities for more than forty year. Continue reading