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Tag Archives: gps

Twenty Years of GPS and Instrument Flight

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On February 16, 1994, a significant milestone in American aviation occurred when the Federal Aviation Administration certified the first GPS unit for use in IFR (Instrument Flight Rules) operations. Twenty years later, GPS has become the dominant form of en route navigation as well as the primary technology for guiding aircraft in low-visibility approaches to   …Continue Reading


On Assignment for Time and Navigation

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What’s missing when you sit in front of a computer all day? Adventure! Luckily, three Time and Navigation photography missions took me across the country last year, giving me the chance to escape the office. My first destination was Beer Bottle Pass in the Mojave Desert. This is where Stanley, the autonomous car, navigated its   …Continue Reading


Shiny Delivery this Holiday Season for the Time and Navigation Exhibition

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Preparation of the upcoming Time and Navigation exhibition is in full swing, and objects are being installed in cases throughout the gallery.  In fact, the gallery became a little more shiny just in time for the holiday season thanks to a delivery from our friends at the Naval Research Laboratory. The object they contributed is   …Continue Reading


Stanley Moves In

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On October 24, Stanley, winner of a historic robot race, left its home at the National Museum of American History aboard a flatbed truck and arrived safely at its destination, just seven blocks away. For the foreseeable future, Stanley will be here at the National Air and Space Museum, a centerpiece in the exhibition Time and Navigation:    …Continue Reading


What Can You Really See From Space?

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Most people know that satellites in orbit do useful things such as collect images of the Earth’s surface. At the National Air and Space Museum I use satellite images in my job to understand changes in the Earth’s land surface. Today millions of people are acquainted with satellite imagery on internet map services. People sometimes   …Continue Reading