| 000 | 00000nam 2200000zi 4500 |
| 001 | 9.893025 |
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| 003 | CaOODSP |
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| 005 | 20221107173331 |
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| 006 | m o d f |
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| 007 | cr bn||||||||| |
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| 008 | 201029e197111##onca o 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 |aCo24-3/7-1228-1971E-PDF |
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| 100 | 1 |aDuCharme, E. D., |eauthor. |
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| 245 | 10|aHF predictions : |bdescription of services / |cby E.D. Ducharme and J.L. Thomas. |
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| 264 | 1|aOttawa : |bCommunications Research Centre, Department of Communications, |cNovember 1971. |
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| 300 | |a1 online resource (iii, 6 pages) : |bfigures. |
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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. 1228 |
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| 500 | |aDigitized edition from print [produced by Innovation, Science and Economic Development Canada]. |
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| 520 | 3 |a"This report describes the HF Prediction Services available from the Communications Research Centre"--Abstract, page 1. |
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| 610 | 20|aCommunications Research Centre (Canada) |
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| 610 | 20|aCentre de recherches sur les communications (Canada) |
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| 650 | 0|aShortwave radio. |
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| 650 | 0|aIonospheric radio wave propagation. |
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| 650 | 6|aRadiodiffusion en ondes décamétriques. |
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| 650 | 6|aOndes radioélectriques|xPropagation dans l'ionosphère. |
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| 710 | 2 |aCommunications Research Centre (Canada), |eissuing body. |
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| 830 | #0|aCRC report ;|vno. 1228.|w(CaOODSP)9.882492 |
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| 856 | 40|qPDF|s929 KB|uhttps://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-3-7-1228-1971-eng.pdf |
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