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Where in the world is my PSP?

Learn how USPS tracks your PSP shipment using RFID technology and triangulation. Understand the components of RFID and how it works in a nutshell.

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Where in the world is my PSP?

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  1. Where in the world is my PSP? RFID Triangulation Stuart Lenz North Star High School

  2. Example: You just bought a PSP on Ebay. It is being shipped using USPS. You are given a code so that you can go online and check the status of your shipment. How does USPS track your PSP?

  3. RFID: Radio Frequency Identification is based on wireless communication over the air that reads or writes information from a Tag. Components: Tag Reader Air Interface Definition of RFID

  4. How RFID works

  5. RFID in a Nutshell “How did I get in the crazy nutshell?” - Austin Powers

  6. Uses of RFID Credit Cards Bar Codes Cattle Tracking Toll Booths Military Automobiles Keyless Entry

  7. How does USPS track your PSP? • Triangulation: • A process by which the location of a transmitter can be determined by measuring either the radial distance, or the direction, of the received signal from two or three different points. • GPS • Cell Phones

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