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Television Transmission and Frequency Allocation

Television Transmission and Frequency Allocation. building, vehicle, or other reflector. reflected path. direct path. base station. Station. Television Station Bands. VLF CATV VHF UHF. Radio Spectrum – US Frequency Allocations. AM Radio. TV 2-4. TV 5-6. FM Radio. TV 7-13.

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Television Transmission and Frequency Allocation

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  1. Television Transmission and Frequency Allocation

  2. building, vehicle, or other reflector reflected path direct path base station Station

  3. Television Station Bands • VLF • CATV • VHF • UHF

  4. Radio Spectrum – US Frequency Allocations . . . AM Radio TV 2-4 TV 5-6 FM Radio TV 7-13 TV 21-36 TV 38-69 Cell

  5. Some current US radio spectrum allocations . . . Cellular telephone (824-849, 869-894 MHz) 50 MHz PCS (1710-1785, 1805-1880 MHz) 150 MHz GPS (1227, 1575 MHz) 41 MHz FM Radio (88-108 MHz) 20 MHz WLANs (2.400-2.484 GHz) 84 MHz Broadcast TV (54-72, 76-88, 174-216, 470-890 MHz) 492 MHz

  6. Over the air TV will be digital—mix of HDTV and more channels of SDTV • Cable will have lots of content on demand • Satellite will have over the air HD programming • Telcos will be providing IPTV • Broadband delivery of content on demand (NetFlix, iPod) • “mobile TV” on phones or other proprietary wireless data networks.

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