Testing the ground base station systems

Team members testing the ground base station systems. These include: the differential GPS, which will enhance the accuracy of the GPS readings of SIERRA’s location (left); the antenna that will relay information from SIERRA’s on board radio about the aircraft’s mechanical status and location (right); and the ground magnetometer (not shown), which measures the daily temporal variations in the Earth’s magnetic field due to fluctuations in the upper atmosphere. Researchers will subtract ground and airborne magnetometer data to correct for these daily variations and reveal the signals due to the faults and fractures they want to map.

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Taken on August 27, 2012