A Broad-Band Microwave Relay System between New York and Boston

@article{Thayer1949ABM,
  title={A Broad-Band Microwave Relay System between New York and Boston},
  author={G. N. Thayer and A. A. Roetken and R. W. Friis and A. L. Durkee},
  journal={Proceedings of the IRE},
  year={1949},
  volume={37},
  pages={183-188}
}
This paper describes the principal features of a broad-band microwave relay system which has recently been installed between New York and Boston. The system operates at frequencies around 4,000 Mc and provides two two-way channels, each accommodating a signal-frequency band extending from 30 cps to 4.5 Mc. Noise and distortion characteristics are satisfactory for the transmission of several hundred simultaneous telephone conversations or a standard black-and-white television program. 

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