Single Event Effects in Ground Level Infrastructure

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Objectives are stated in the previous section and are further elaborated in the Case for Support. The impact on project partners will be an improved understanding of the phenomenon of single event effects at ground level and the risk from an ESW event. This topic has hitherto focused on the quiescent background galactic cosmic ray environment, with very little attention paid to enhancements during space weather events. By reviewing the likelihood and potential impact of these events, the project will raise awareness of the topic within the partner organisations and, in due course, within the wider industries in which they operate. The main outcome will be a risk assessment of the vulnerability of ground-level electronic systems to SEE during an ESW event. SEE rates and failure probabilities will be calculated and used to determine what (if any) mitigation protocols are required to reduce the risk. Industry partners will be able to reduce the vulnerability of their systems using a variety of methods, including improving their procurement of electronic components based on resilience criteria and increasing failure tolerance through system design. The results may also be used to evaluate the need for retrofitting resilience measures to existing systems, though this is a consideration for the partners alone and the project will not make unilateral recommendations in this regard.