00000nam 2200000zi 4500 9.892998 CaOODSP 20221107173326 m o d f cr bn||||||||| 201029e199704##oncad ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre ev----- Co24-3/7-97-001E-PDF Willink, Tricia Janet, 1966- author. Analysis of high-latitude HF propagation characteristics and their impact for data communications / by T.J. Willink. Ottawa : Communication Research Centre, Industry Canada, April 1997. 1 online resource (1 volume (various pagings)) : illustrations, graphs. text txt rdacontent computer c rdamedia online resource cr rdacarrier CRC report ; no. 97-001 Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. "The work described in this document was sponsored by the Department of National Defence under Task 5BD14." Includes bibliographical references (pages REF-1-REF-2). "The Doppler and Multipath SOunding Network (DAMSON) is a system developed by the Defence Research Agency, UK, and the Communications Research Centre to measure the propagation characteristics of high frequency (HF) radio channels. The system is installed in northern Scandinavia, providing a unique opportunity to study the properties of high-latitude ionospheric HF links. In this report, the DAMSON system is outlined and the geography of the transmitters and receivers is described. The DAMSON signals were transmitted on ten pre-assigned frequencies from 2 to 22 MHz, with a minute-long transmission every ten minutes on each frequency. The SNR, multipath spread, number of modes, Doppler spread and Doppler shift were extracted from data recorded between April and October 1995 on each of four high-latitude HF links. A detailed analysis of these propagation parameters has been undertaken in this study"--Abstract, page iii. Includes abstract in French. Radio wave propagation Scandinavia Measurement. Doppler radar Scandinavia. Ionospheric radio wave propagation. Ondes radioélectriques Propagation Scandinavie Mesure. Radar Doppler Scandinavie. Ondes radioélectriques Propagation dans l'ionosphère. Canada. Industry Canada, issuing body. Communications Research Centre (Canada), issuing body. CRC report ; no. 97-001. (CaOODSP)9.882492 PDF 3.42 MB https://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-3-7-97-001-eng.pdf