[To Parent Directory] 9/10/2018 3:12 PM f=0.5hz 9/10/2018 3:15 PM f=1.0hz 9/10/2018 3:19 PM f=2.0hz 9/17/2018 2:43 PM r_small_than_0.8 9/17/2018 2:41 PM r_small_than_1.0