How DTV is Killing P25

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How are P25 systems becoming inoperable on the UHF-T Band?

 

 

 

What You Will Learn in This Week's Podcast:

  • In the early 1970s, the FCC permitted eleven major cities of the US to use 470 to 512 MHz as additional public safety frequencies, and these were part of the UHF T band.
  • The original UHF band was just 450 to 470 MHz
  • UHF-T band was reserved for two-way radio around a 50 mile radius from each city.
  • Issues arise when we have E-Skip and Tropo Ducting in the UHF spectrum.
  • Digital TV from out of the market is causing problems on the digital spectrum in the UHF T band.

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Links and Sources from this session:

East Coast Pagers

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