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YBH Broadband Seismometer Change

May 17, 1996

The 3-component broadband seismometer at YBH has temporarily been changed from STS-1s to an STS-2 as of 96.138.0000 UTC, and will likely remain so (perhaps for a few months) until the defective STS-1V seismometer is repaired and re-installed. The SEED instrument response has been updated to reflect this change.

This change will effect the YBH broadband response primarily at long periods and at high frequencies in the following ways:

If you have questions about this change, please contact