1. The original plans were for an above-ground track past Ismaning. 2. It was the longest X-15 flight in both time and distance from the ground track . 3. The missile was launched when a target satellite's ground track rises above the launch site. 4. The ground track of a satellite in a tundra orbit is a closed figure eight. 5. Its ground tracks fall midway between those of Jason-2, which are about apart at the equator. 6. The three separate orbits are spaced equally around the Earth, but share a common ground track . 7. Jason-1's ground tracks fall midway between those of Jason-2, which are about apart at the equator. 8. The pilot must adjust heading to compensate for the wind, in order to follow the ground track . 9. Plagued by delays and corruption allegations, the 20 miles of above-ground track took a decade to build. 10. In this manner, the satellite could observe long term changes at the points along the ground track .
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