Measuring the height of Earth from space

NASA’s Ice, Cloud and land Elevation Satellite-2 (ICESat-2) will utilize the Advanced Topographic Laser Altimeter System (ATLAS) instrument to measure the elevation of the entire earth. Sigma Space designed and delivered the high-precision Photon Counting Electronics (PCE) used in ATLAS. Prior to that, Sigma Space developed the timing electronics and multiple opto-mechanical systems of the high-altitude, airborne Multiple Altimeter Beam Experimental LiDAR (MABEL) instrument which served as a demonstrator for ATLAS. Read more here.

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