US Coast Guard Navigation Center (NAVCEN) This site contains a wealth of information on a variety of radionavigation issues and topics. The spectrum issues for GPS are listed under the "RNAV SPECTRUM ISSUES" area on the scroll bar on the left.

Thomas Legislative Information on the Internet This site is maintained by the Library of Congress and includes information on legislation from Congress, including spectrum legislation. The user can search through a variety of methods, such as bill number, topic, author, etc. The information on legislation is generally posted fairly rapidly.

The Federal Communications Commission The FCC manages allocations for spectrum used by the private sector, state and local governments.

The National Telecommunications and Information Administration (NTIA) The National Telecommunications and Information Administration (NTIA) of the Department of Commerce regulates the federal spectrum allocations.

GPS Industry Council Information on Spectrum The United States GPS Industry Council information on the MSS INMARSAT UK proposal for the WRC-97 (Oct 27-Nov 21), including their letter of opposition and addressed to forward the letter to.

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