New Horizons PEPSSI Archive Bundle This bundle contains the following collections: New Horizons Pluto Energetic Particles Spectrometer Science Investigation (PEPSSI) KEM1 Encounter Raw Data - contains a set of raw event rate and Pulse Height Analysis (PHA) tables in .FIT format for the New Horizons PEPSSI instrument during the KEM1 ENCOUNTER mission phase. New Horizons Pluto Energetic Particles Spectrometer Science Investigation (PEPSSI) KEM1 Encounter Calibrated Data - contains the following data in .FIT format for the New Horizons PEPSSI instrument during the KEM1 ENCOUNTER mission phase: Calibrated rate-weighted 2-D histograms of Pulse Height Analysis (PHA) data, quick-look spectrograms, flux tables, and PHA event data. Calibration Reference Files for the New Horizons Pluto Energetic Particles Spectrometer Science Investigation (PEPSSI) - Contains a set of calibration files, including calibration coefficients, rate box definitions, and calibration parameters used to process the raw data files delivered by the PEPSSI instrument over the course of the New Horizons primary and extended missions. This bundle was created by the Small Bodies Node of the Planetary Data System as part of migration from PDS3 to PDS4. The data collections in this bundle were migrated from PDS3 datasets produced by the New Horizons SOC. Contact Information New Horizons PEPSSI Principal Investigator: Ralph McNutt, Jr. Johns Hopkins University Applied Physics Laboratory Space Department 11100 Johns Hopkins Road Room MP3-E116 Laurel, MD 20723 USA New Horizons Science Operations Center (SOC): Jillian Redfern Southwest Research Institute (SwRI) Department of Space Operations 1050 Walnut Street, Suite 300 Boulder, CO 80302 USA