Integrating UAS-Based GNSS-R, LiDAR, and Multispectral Data for Soil Moisture Estimation: Summary of Results From a Three-Year-Long Field Campaign. - Md. Mehedi Farhad; Volkan Yusuf Senyurek; Mohammad Abdus Shahid Rafi; Sriman Bidhan Baray; Cary McCraine; Lee A. Hathcock; Ardeshir Adeli; Yanbo Huang; Ali Cafer Gürbüz; Mehmet Kurum (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)