Although ground-based sensors provide the backbone for much of our space weather science and operations, many are facing an uncertain future. Data streams from magnetometers, imagers, interferometers, and others have been identified by the PROSWIFT Act as critical national needs. Local measurements, such as GIC data, can provide situational awareness, validation metrics, and input to models. Consistent availability of quality data requires the long-term maintenance of these sensor arrays, but the path forward to support ground-based infrastructure over time is certainly not a simple problem. This session solicits presentations that discuss (1) products, alerts, and forecasts that rely on ground-based data, (2) the current state and utility of existing ground-based sensor networks, (3) data quality and processing algorithms, and (4) potential solutions for maintaining these crucial sources of data.

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