Open-File Report 2021-1030-W Minsu Kim, Seonkyung Park, Jeff Clauson, Jim Vrabel, and Ajit Sampath System Characterization Report on Tanager ----------------------------------------------------- Posted online May 18, 2026 ----------------------------------------------------- Revised and reposted July 2, 2026, version 1.1 In table 1, the sensor name, orbital altitude range, and imaging time were updated. In table 2, the original table with details about two spectral bands was replaced with Tanager properties and values. In tables 1 and 2, in-text citations were added for Zandbergen and others (2022), Duren and others (2025), Keremedjiev and others (2025), and LeDuc and others (2026). References for these publications were added to the "Selected References" section.