000 01470nam  2200301zi 4500
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008190919s1981    onc|||| o    f000 0|eng d
040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn---
0861 |aCo24-213/1981E-PDF
1001 |aWalsh, John, |eauthor.
24510|aStudies of over-sea VHF transmission characteristics for maritime communications systems / |cby John Walsh.
264 1|a[Ottawa] : |b[Department of Communications], |c[1981]
300 |a1 online resource (6 pages)
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
500 |aDigitized edition from print [produced by Innovation, Science and Economic Development Canada].
5203 |a"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.
69207|2gccst|aTelecommunications
69207|2gccst|aradio
7101 |aCanada. |bDepartment of Communications.
85640|qPDF|s215 KB|uhttps://publications.gc.ca/collections/collection_2019/isde-ised/Co24/Co24-213-1981-eng.pdf