LIGO Document E1500328-v1

ECR: Long Term Upgrade to the Timing Diagnostics System

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E - Engineering documents
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The timing diagnostics system has been taken from initial LIGO essentially unchanged. It consists of an atomic clock in the corner station and a commercial fiber based timing distribution system. We propose to install distributed GPS clocks to complement the aging commercial fiber based timing distribution system used in the timing diagnostics.
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ECR timing

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