193 - DTV - The P25 Killer ?


Manage episode 301161186 series 1911917
Stworzone przez Phil Lichtenberger, odkryte przez Player FM i naszą społeczność - prawa autorskie są własnością wydawcy, a nie Player FM, a dzwięk jest przesyłany bezpośrednio z ich serwerów. Naciśnij przycisk Subskrybuj, aby śledzić aktualizacje Player FM, lub wklej adres URL kanału do innych aplikacji podcastowych.

In today’s podcast, I am going to talk about P25 digital technologies on the UHF T-band and how this decision has caused many problems for P25 Trunked Systems.

👉 What You Need To Know

  • 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.

✅ All session notes with links to the items we talked about can be found on our website at https://www.scannerschool.com/session193


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