Ambient noise station-correlation spectra for USArray stations

FARB-BK secondary stations.

BNLO-TA HAST-TA LAVA-TA O01C-TA O02C-TA O03C-TA P01C-TA P05C-TA Q03C-TA Q04C-TA
R04C-TA R05C-TA S04C-TA S05C-TA S06C-TA SUTB-TA T05C-TA U04C-TA U05C-TA V03C-TA
V04C-TA
BDM-BK CMB-BK CVS-BK GASB-BK HOPS-BK JRSC-BK MCCM-BK MNRC-BK ORV-BK PACP-BK
PKD-BK WENL-BK