Ambient noise station-correlation spectra for USArray stations

A08A-TA secondary stations.

A04A-TA A05A-TA A06A-TA A07A-TA A09A-TA A10A-TA A11A-TA A12A-TA B05A-TA B06A-TA
B07A-TA B08A-TA B09A-TA B10A-TA B11A-TA B12A-TA C05A-TA C07A-TA C08A-TA C09A-TA
C10A-TA D05A-TA D06A-TA D07A-TA D08A-TA D09A-TA D10A-TA E06A-TA E07A-TA E08A-TA
E09A-TA
HAWA-US NEW-US