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Although most people haven't heard of geodesy, one geodetic technique is GPS.

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[ GPS voice: Please drive to highlighted route. ] The GPS in your car can get to your location within let's say tens of meters.

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However for measuring plate tectonics, or other geophysical paramaters, scientists need instruments that can provide these measurements much more precisely, to within milimeters.

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And the network of GPS receivers that we use can provide that.

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My name is Carey Noll.  I'm a computer scientist in the Solar System Exploration Division.

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I'm also the manager of the Crustal Dynamics Data Information System, or the CDDIS.

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The CDDIS is NASA's archive of space geodesy data and products.

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A typical day at the CDDIS involves checking to make sure that what went on over the evening, through all of our automated processes, completed successfully.

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I meet with the staff to make sure that everything is working correctly, but we also are developing new applications, new ways to present the data.

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And then there's also answering tons of email every day to help users find what they're looking for, archive new data sets or information about data,

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helping them use the data and the products that we have in the CDDIS.

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Well, I probably should say that the most exciting part of working here at Goddard was that I met my future husband.

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But being here at Goddard, working with some of the brightest scientists in the world, is a very rewarding thing,

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as well as enabling those scientists to do their research through what we do at the CDDIS.

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I've been working at Goddard for over thirty-one years and it's been a very rewarding experience.

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