Ambient noise station-correlation spectra for USArray stations

F03A-TA secondary stations.

B04A-TA B05A-TA C03A-TA C04A-TA C05A-TA D03A-TA D04A-TA D05A-TA D06A-TA E03A-TA
E04A-TA E05A-TA E06A-TA E07A-TA F04A-TA F05A-TA F06A-TA F07A-TA G03A-TA G04A-TA
G05A-TA G06A-TA H02A-TA H03A-TA H04A-TA H05A-TA H06A-TA I02A-TA I03A-TA I04A-TA
I05A-TA J02A-TA J03A-TA
NLWA-US