TY - BOOK AU - Sutherland, David A PB - U.S. Dept. of Commerce, National Telecommunications and Information Administration ; Office of the Manager, National Communications System, Technology and Standards Office ; For sale by the National Technical Information Service TI - Simulated effects of sounding on automatic link establishment HF radio network performance [microform] / David A. Sutherland Jr T3 - NTIA report ; 93-291. T3 - NCS technical information bulletin ; 92-21. KW - Shortwave radio. A2 - United States. National Telecommunications and Information Administration A2 - National Communications System (U.S.). Technology & Standards Office CY - [Boulder, CO] : [Springfield, VA N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 93-0672-M. PY - 1993 M1 - Accessed from https://nla.gov.au/nla.cat-vn4072234 ER -