Ambient noise station-correlation spectra for USArray stations

C14A-TA secondary stations.

A11A-TA A12A-TA A13A-TA B10A-TA B11A-TA B12A-TA B13A-TA C10A-TA C12A-TA C13A-TA
D10A-TA D11A-TA D12A-TA D13A-TA D14A-TA D15A-TA E10A-TA E11A-TA E13A-TA E14A-TA
E15A-TA F11A-TA F12A-TA F13A-TA F14A-TA F15A-TA G14A-TA
BOZ-US NEW-US