Planning for frequency continuity in HF broadcasting /

Bibliographic Details
Corporate Author:	United States. National Telecommunications and Information Administration
Other Authors:	Washburn, J. S. (James S.)
Format:	Government Document Book
Language:	English
Published:	Boulder, Colo. : U.S. Dept. of Commerce, National Telecommunications and Information Administration ; [1990]
Series:	NTIA report ; 89-254.
Subjects:	Broadcasting > Mathematical models. Radio frequency allocation.

Evans: US Documents (Annex 5th floor)