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PASSCAL PASSOFT Software

PASSCAL provides open-source software for downloading seismic data from data recorders, for quality assessment, and for conversion to other data formats for analysis and archiving at the IRIS Data Management Center.

PASSOFT is supported only for Mac and Linux operating systems, and not for Windows. Some Windows users have been able to use PASSOFT by first installing a Windows Subsystem for Linux.

Note: PQL is no longer distributed with PASSOFT. We have replaced PQL functionality on PASSCAL provided laptops with SQLX. SQLX is a commercial package (sqlx.science) that provides all of the capabilities of PQL in addition to suite of enhanced features. If you still require the 2011 version of PQL, instructions are provided below.

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