The BSL converted most - but not quite all - of the BDSN BH data streams from 20 samples per second to 40 samples per second at the beginning of the GMT day on June 15, 2004 (day 167). This change affects: BDM, BKS, BRIB (broadband sensor only), CMB, CVS, FARB, HOPS, HUMO, JCC, JRSC, MHC, MNRC, MOD, ORV, PACP, PKD, POTR, RFSB (surface strong-motion only), SAO, SCCB, WDC, and YBH. Stations BRK, KCC, and WENL were converted at the beginning of day 168.
This change in sampling rate was made in order to be consistent with the USArray specifications. At this time, we do not intend to change the sampling rate of the BP channels associated with the BSL borehole networks - the NHFN, MPBO, and HRSN.
Berkeley Seismological Laboratory
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