Six-Year Survey of Simultaneous Na and K Meteor-Trail Enhancements Over Brazil: Processed Data, Analysis Code, and Figures (2018–2023)

Processed data and analysis materials supporting “Six-Year Survey of Simultaneous Na and K Meteor-Trail Enhancements Over Brazil From Dual-Beam Lidar Observations” (JGR: Space Physics, manuscript 2026JA035769). The files include 669 accepted simultaneous Na–K profile detections grouped into 401 operational episodes; episode summaries; annual and monthly detection-yield tables; an observation-hours audit; analysis and visualization code; and Figures 1–6. See Repository_README.txt for file descriptions, exposure definitions, and reproduction instructions. Initial candidate screening involved expert visual inspection; the deposited code does not provide an automatic classifier or an independently measured false-positive or false-negative rate. Original photon-count workbooks are not included.