National Telecommunications and Information Administration
1401 Constitution Ave., NW Washington, DC 20230
Links
[1] https://www.ntia.doc.gov/category/spectrum-management
[2] https://www.ntia.doc.gov/category/csmac
[3] https://www.ntia.doc.gov/files/ntia/publications/status_report-bi-directionalsharing-july2014-bmw.pdf