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| 02122nam 2200385zi 4500 |
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| 001 | 9.892921 |
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| 003 | CaOODSP |
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| 005 | 20221107173313 |
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| 006 | m o d f |
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| 007 | cr bn||||||||| |
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| 008 | 201027e197112##onca ob f000 0 eng d |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 043 | |an-cn--- |
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| 086 | 1 |aCo24-3/7-1225-1971E-PDF |
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| 100 | 1 |aJelly, Doris H., |eauthor. |
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| 245 | 10|aIonospheric sounding as an aid to HF communications / |cby Doris H. Jelly. |
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| 264 | 1|aOttawa : |bCommunications Research Centre, Department of Communications, |cDecember 1971. |
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| 300 | |a1 online resource (iii, 10 pages) : |billustration. |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 490 | 1 |aCRC report ; |vno. 1225 |
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| 500 | |aDigitized edition from print [produced by Innovation, Science and Economic Development Canada]. |
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| 504 | |aIncludes bibliographical references (pages 9-10). |
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| 520 | 3 |a"A review of sounding systems that could be used to improve HF communications is presented. Systems that are outlined are the sophisticated CURTS, which was developed for the U.S. Defence Communications Systems; CHEC and Channelsonde which were designed to aid Canadian military operations; and the integrated system that was proposed as a solution to communications problems in the Canadian north. From a consideration of these systems, it is apparent that the technology exists for developing sounding systems for a wide variety of applications"--Abstract, page 1. |
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| 650 | 0|aShortwave radio. |
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| 650 | 0|aSounding and soundings. |
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| 650 | 6|aRadiodiffusion en ondes décamétriques. |
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| 650 | 6|aSondage (Océanographie) |
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| 650 | 6|aOndes radioélectriques|xPropagation dans l'ionosphère. |
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| 650 | 0|aIonospheric radio wave propagation. |
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| 710 | 2 |aCommunications Research Centre (Canada), |eissuing body. |
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| 830 | #0|aCRC report ;|vno. 1225.|w(CaOODSP)9.882492 |
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| 856 | 40|qPDF|s766 KB|uhttps://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-3-7-1225-1971-eng.pdf |
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