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  2. GPS signals - Wikipedia

    en.wikipedia.org/wiki/GPS_signals

    Each satellite uses a unique PRN code, which does not correlate well with any other satellite's PRN code. In other words, the PRN codes are highly orthogonal to one another. The 1 ms period of the C/A code corresponds to 299.8 km of distance, and each chip corresponds to a distance of 293 m.

  3. List of communication satellite companies - Wikipedia

    en.wikipedia.org/wiki/List_of_communication...

    The World Teleport Association publishes lists of companies based on revenues from all customized communications sources and includes operators of teleports and satellite fleets. In order from largest to smallest, the Global Top 20 of 2021 were: [1] [2] SES (Luxembourg) Intelsat S.A. (Luxembourg) EchoStar Satellite Services (USA) Hughes Network ...

  4. List of GPS satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_GPS_satellites

    Samples of three GPS satellites' orbits over a five-year period (2013 to 2018) USA-242 · USA-239 · USA-151 · Earth As of 22 January 2025, 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 3 are in reserve or testing, 43 are retired, 2 were lost during launch, and 1 prototype was never launched. 3 Block III satellites have completed ...

  5. Performance Racing Network - Wikipedia

    en.wikipedia.org/wiki/Performance_Racing_Network

    All PRN shows with the exception of all race broadcasts and the pre and post race shows originate from Performance Racing Network's studios at Charlotte Motor Speedway. All PRN race broadcasts are available via Sirius XM NASCAR Radio. Fast Talk is also carried on Sirius XM NASCAR Radio on Wednesdays at 10:00 p.m. eastern time.

  6. Top 10 Satellite Television Providers Ruling The American Houses

    www.aol.com/news/2016-08-29-top-10-satellite...

    Satellite Television has been a staple with every US household for ages – or it would be more appropriate to remark that no American house is complete without satellite TV connection, even in ...

  7. Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Global_Positioning_System

    The satellite network uses a CDMA spread-spectrum technique [167]: 607 where the low-bitrate message data is encoded with a high-rate pseudo-random (PRN) sequence that is different for each satellite. The receiver must be aware of the PRN codes for each satellite to reconstruct the actual message data.

  8. List of BeiDou satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_BeiDou_satellites

    BeiDou-1, first generation experimental satellite - BeiDou-1B 20 December 2000 16:20 Xichang, LC-2 Long March 3A: N/A GEO 80° E Retired December 2011: BeiDou-1, first generation experimental satellite - BeiDou-1C 24 May 2003 16:34 Xichang, LC-2 Long March 3A: N/A GEO 110.5° E Retired December 2012: BeiDou-1, first generation experimental ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!