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Impact of Broadband Initiative on Satellite Operations and Frequency Management

This session explores the implications of the Broadband Initiative on current satellite operations, including GOES and polar satellite products. We will discuss the potential for frequency interference, changes in operations, and the anticipated timeline for spectrum sharing within the next five years. Attendees will have the opportunity to report interference experiences, predict impacts based on future exclusion zones, and suggest measures to mitigate interference. Key topics will include the stability of existing services and the role of shielding and antenna positioning in reducing disruption.

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Impact of Broadband Initiative on Satellite Operations and Frequency Management

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Presentation Transcript

  1. Frequency Issues Breakout Session • Is there anything about the Broadband initiative and its impacts that you would like me to explain in more detail? • Summary of changes resulting from broadband initiative • Current GOES products & services: No change • Current polar products: No change until/if sharing initiated • GOES-R: GRB, EMWIN/HRPT not affected – frequency may change • JPSS: HRD not affected; LRD may be affected • HRPT-like broadcasts likely to continue well into 2020s (MetOp-C) • Timing of auction unknown • Purchase of spectrum by broadband industry and ultimate use uncertain • We must proceed as if sharing will happen within 5 years in the U.S.

  2. Frequency Issues Breakout Session • Is there anything about the Broadband initiative and its impacts that you would like me to explain in more detail? • Short overview of NOAA radiosonde operations & effects upon interference in L-Band • Questions & discussion topics for polar HRPT users • Do you experience interference today? If so, how bad is it? Is it predictable? Do you know what causes it? Have you reported your interference to NOAA? • If you are located outside a future exclusion zone, what impacts to your operations do you predict? • What aspects of your operation will be affected? How? Impacts? • Is there anything we can do to minimize the probability of interference? Shielding? Location of antennas? Beam characteristics?

  3. Fast-track Shared Spectrum Band Recommended For Fast-Track Sharing Current GOES & Polar Current  end of life GOES-15: mid-2020 Polar: 2022 (MetOp-C) Present-Day 6-10 year overlap period when legacy & new are operating 15 MHz Shared Future GOES-R & JPSS Era: 2016+ “Sharing” will be implemented with goal of preventing harmful interference between government & commercial sectors

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