ETA20en

This record has been optimized in nonlinear range to fit average RS of 7 records for soil C FEMA 440

Optimization is for R=1,2,4,8 and 71 Ts in 0-5 sec plus 10 points from T=20 to T=50 secs

acceleration points are in terms of m/s2.

NPTS=2001 DT=0.01

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