PPT-Radio Frequency Identification

Microchipping of Pets Traci Glass Matt Grimsley Mat Sparks Shera Usher Introduction RFID Radio Frequency Identification Today used mainly for tracking lost pets Future contains personal information. There’s a whole lot of light out there!. The Electromagnetic Spectrum. The electro-magnetic spectrum is made up of visible and . nonvisible. light.. Electromagnetic waves are produced by stars and galaxies.. Transistor Audio Power Amplifiers. Introduction . A transistor amplifier that raises the power level of the signals that have audio range is known as transistor audio power amplifier. In general, the last stage of a multistage amplifier the power stage. The power amplifier differs from all the previous stages in that here a concentrated effort is made to obtain maximum output power. A transistor that is suitable for power amplification is generally called a power transistor. It differs from other transistors mostly in size; it is considerably larger to provide for handling the great amount of power.. Radio Campaign Weights. Common . practice amongst agencies when planning an average weight campaign has been to run at 4 OTH a week over a period of 4-5 weeks. . Lighter weight campaigns will be at 2-3 OTH (often used for maintenance or drip campaigns within mixed media schedules). . in the 21st Century…. mainstream or backwater?. Art Goddard W6XD. The Amateur Radio Service. Basis and Purpose. Creating Public Value. Is Amateur Radio Being Marginalized?. Accountability to the American People. Waves. Wave. A . repeating movement or disturbance that transfers energy through matter or space.. All waves carry energy without transporting matter from place to place.. Molecules pass energy along to neighbor molecules who then pass energy to neighbor. Alex Hills. Chapter 27. Summary. Communication engineer Alex Hills explains how the satellite communications systems he designed for rural Alaskans helped him develop Wi-Fi system. Because of tough terrain, laying telephone wire was not feasible, and shortwave radio signals often met interference from the Northern Lights. Alex helped devise a communications system using satellite technologies that allowed rural Alaskans to communicate across the tundra. Eventually, Hills was instrumental in linking the state’s university campuses together via satellite. The wireless network inspired Hills to develop the first Wi-Fi at Carnegie Mellon University in the 90’s.. Surface accuracy not so important, so easy to make large one.. angular resolution . . . wavelength. mirror diameter. D larger than optical case, but wavelength . much. larger (cm's to m's), e.g. for wavelength = 1 cm, diameter = 100 m, resolution = 20".. Warm Up: . How was life different in 1938 compared to today? How were values different? . https. ://. www.youtube.com/watch?v=akT0wxv9ON8. . Agenda: . Warm Up. Review Assignment. Radio Play video. Your awesome teacher example!. SFC . Salazar. No Reference. . . The . Sandhurst. Competition 2012. . . Place antenna here.. Place hand . mic. here (either slot will work).. . . In order to load a frequency, turn the selector switch to “LD” for load. . RET 2013. MIT Haystack Observatory . Learning Objectives. Communicate. technical information about how some technological devices use the . principles of wave behavior and wave interactions with matter . Systems. AWIN Network support. Basic level overview. Table of Contents. What is Arkansas Wireless Information Network (AWIN)?. Trunking Radio Systems – Basic Overview. Trunking vs. Conventional Radio Systems. STATION CITY STATE FREQUENCY WAPR-FMSelmaAL88.3 FMWQPR-FMMuscle ShoalsAL88.7 FMWUAL-FMTuscaloosaAL91.5 FMKQED-FMSan FranciscoCA88.5 FMKRCCa-FMManitou SpringsCO90.1 FMKRCCb-FMWestcliffeCO88.5 FMKRCCc-F Simplified model of a digital communication system. 2. Source. Source . Encoder. Channel. Encoder. Modulator. Destination. Source . Decoder. Channel. Decoder. Demod. -ulator. Radio Channel. Components of the digital communication system. Each station has a different remit, content, style and target audience. . The BBC has delivered radio since the 1920s as part of . Public Service Broadcasting . (PSB). The Reithian concept of the BBC was to raise the cultural standards of the nation so it resisted playing solely popular music until 1967, when Radio 1 was born..