00000nam 2200000zi 4500 9.879432 CaOODSP 20221107165518 m o d f cr |n||||||||| 190919s1981 onc|||| o f000 0|eng d CaOODSP eng rda CaOODSP n-cn--- Co24-213/1981E-PDF Walsh, John, author. Studies of over-sea VHF transmission characteristics for maritime communications systems / by John Walsh. [Ottawa] : [Department of Communications], [1981] 1 online resource (6 pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. "The object of this project is to obtain radio frequency transmission loss data at several VHF/UHF frequencies over seawater. The data is required by CRC to build up a comprehensive model of VHF/UHF propagation characteristics, and in particular, to supply propagation data pertinent to maritime mobile communications and offshore exploration systems"--Abstract. gccst Telecommunications gccst radio Canada. Department of Communications. PDF 215 KB https://publications.gc.ca/collections/collection_2019/isde-ised/Co24/Co24-213-1981-eng.pdf