1. Introduction to Television 1 jess role@ueab 2006 Television Transmission and Frequency Allocation

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

3. Introduction to Television 1 jess role@ueab 2006 Television Station Bands VLF CATV VHF UHF

4. Introduction to Television 1 jess role@ueab 2006 Radio Spectrum – US Frequency Allocations... AM Radio TV 2-4 FM Radio TV 7-13 TV 21-36 TV 38-69 Cell TV 5-6

5. Introduction to Television 1 jess role@ueab 2006

6. 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

7. Introduction to Television 1 jess role@ueab 2006 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.

8. Introduction to Television 1 jess role@ueab 2006