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Impact of T1 and T2 errors on exchange rate accuracy. The matched exchange rate ksw as a function of true exchange rate ksw with T1 error (A) or T2 error (B). The normalized exchange rate ksw_matched/ksw as a function of T1 error and T2 error for ksw = 150 s−1 (C) and ksw = 500 s−1 (D)