 The next generation of GPS satellites, known as Block III, is currently being developed in Denver, Colorado. The latest generation of satellites will improve upon the accuracy of military and civilian GPS received to within 3 feet, a 7 foot difference compared to current receivers. Additionally, Block III will focus on more precise navigational data for civilian receivers. The original launch date for the more than 30 Block III satellites was bumped up to 2014 from 2015. The premise behind Block III is to enhance the current system and ultimately, replace it. For military purposes, two new satellites will be designed to hold encrypted military-only signals. The two satellites will be more powerful than previous military satellites so the signals can be used in urban setting and will be tougher to jam with jamming devices. Hundreds of thousands of GPS devices are being used throughout the US, and not just in a recreational or military sense. Financial systems use GPS receivers for precise time stamps on transactions based on the satellite's atomic clock. The added security and accuracy of this new Block III system will benefit millions of North Americans!
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