The Parker Solar Probe (PSP) mission is providing a full set of SPICE kernels for use with the mission data. If you are unfamiliar with SPICE kernels, please see the JPL Navigation and Ancillary Information Facility (NAIF) SPICE page, available at URL: https://naif.jpl.nasa.gov/naif/. NAIF offers a set of tutorials and access to the SPICE software at the left of the webpage.
File Naming Convention - spp_sclk_NNNN.tsc (where NNNN is the number of times the file has been updated since launch)
Description - The SCLK is a daily produced kernel that supports time conversions between spacecraft clock and Barycentric Dynamical Time (TDB). The kernel is produced by the PSP mission.