N.  Yadav, Sami, S., Joshi, D. Raj, Frissell, N. A., Spalletta, R. A., Jackowitz, P. M., and Vierinen, J., ?Web-Based Application for the Visualization and Analysis of Ionogram Data Observed by GNU Chirpsounder2?, HamSCI Workshop 2023. HamSCI, Scranton, PA, 2023.