Section 502.9 - Synchrophasor Measurement Unit Technical Requirements
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This is the current effective document for Section 502.9 of the ISO rules.
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Previous effective document December 11, 2019 - September 15, 2020
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Previous effective document for section 502.9 of the ISO rules. March 27, 2015 to December 10, 2019
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Previous effective document September 16, 2020 - February 28, 2022
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Previous effective document February 28, 2013 - March 26, 2015.
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Phasor Measurement Unit Requirements
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