This amendment will correct errors in some performance requirements in Tables 3, 4, 6, 7, 8, 9, & 11 and the associated text. Typographical errors in Section 4.3 will be corrected. The testing methods for OOB signals in Table 3 may be modified. The instructions for testing in 5.5.9 will be clarified. Annex C may be modified to keep it consistent with the rest of the document.
IEEE C37.118.1a-2014
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IEEE Standard for Synchrophasor Measurements for Power Systems — Amendment 1: Modification of Selected Performance Requirements