NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management

The NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management, also known as the Red Book, is a publication of the United States Office of Spectrum Management of the National Telecommunications and Information Administration or NTIA, and is the official source for all technical regulations relating to the use of the electromagnetic frequency spectrum. The NTIA is the regulating agency for all Federal spectrum use.