Broadcasting from Satellites—UHF Television Channel Utilization

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: One of the factors that affect satellite broadcasting systems is the choice of modulation, whether it should be AM-VSB, as we have it in terrestrial broadcasting, or frequency modulation (FM). The latter is chosen for a theoretical satellite television system in the UHF-TV band based on the latest CCIR figures. From this the required field strength and satellite transmitter power are calculated. The required protection ratio is used to calculate the angular separation between satellites when using the same channel. An allocation of two and four channels to each of two satellites is used to determine the number of independent programs which could be made available in Canada, assuming the country is divided into four areas covered by two synchronous geostationary satellites. It is shown that four channels allocated to each of two adjacent satellites would provide a total of eight independent programs to the four areas without the necessity of having the satellites very widely separated, as might appear from preliminary observation. Finally, a practical example for Canadian coverage is presented.
Publication Date: 1972-03-01
DOI: 10.5594/J05625
Link: https://doi.org/10.5594/J05625
Author(s): R. F. Zeitoun, C. A. Siocos

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R. F. Zeitoun and C. A. Siocos; Broadcasting from Satellites—UHF Television Channel Utilization, Journal of the SMPTE ( Volume: 81, Issue: 3, March 1972); SMPTE, 1972. Available at https://doi.org/10.5594/J05625

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R. F. Zeitoun and C. A. Siocos; Broadcasting from Satellites—UHF Television Channel Utilization, Journal of the SMPTE ( Volume: 81, Issue: 3, March 1972); SMPTE, 1972. Available at https://doi.org/10.5594/J05625

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<span class="citation">R. F. Zeitoun and C. A. Siocos; <cite>Broadcasting from Satellites—UHF Television Channel Utilization</cite>, Journal of the SMPTE ( Volume: 81, Issue: 3, March 1972); SMPTE, 1972. Available at <a href="https://doi.org/10.5594/J05625" target="_blank" rel="noopener">https://doi.org/10.5594/J05625</a></span>

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R. F. Zeitoun and C. A. Siocos; Broadcasting from Satellites—UHF Television Channel Utilization, Journal of the SMPTE ( Volume: 81, Issue: 3, March 1972); SMPTE, 1972
doi: 10.5594/J05625
url: https://doi.org/10.5594/J05625

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<li>
R. F. Zeitoun and C. A. Siocos; <cite id="bib-10-5594-j05625">Broadcasting from Satellites—UHF Television Channel Utilization</cite>, Journal of the SMPTE ( Volume: 81, Issue: 3, March 1972); SMPTE, 1972
<span class="doi">10.5594/J05625</span>
</li>