724 Preliminary Assessment of Detection Efficiency for the Geostationary Lightning Mapper Using Intercomparisons with Ground-Based Systems

Tuesday, 9 January 2018
Exhibit Hall 3 (ACC) (Austin, Texas)
Monte Bateman, Universities Space Research Association, Huntsville, AL; and D. Mach, R. J. Blakeslee, and W. J. Koshak

As part of the calibration/validation (cal/val) effort for the Geostationary Lightning Mapper (GLM) on GOES-16, we need to assess instrument performance (detection efficiency and accuracy). One major effort is to calculate the detection efficiency of GLM by comparing to multiple ground-based systems. These comparisons will be done pair-wise between GLM and each other source. A complication in this process is that the ground-based systems sense different properties of the lightning signal than does GLM (e.g., RF vs. optical). Also, each system has a different time and space resolution and accuracy. Preliminary results indicate that GLM is performing at or above its specification. We will present preliminary detection efficiency results from GLM's first year in orbit.
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