Dataset for the First Radio-Frequency Spectrum-Sharing Challenge (RFSSC)

These data were used in the First RF Spectrum-Sharing Challenge which was held in 2024-2025, culminating in announcing the winner AiRANACULUS on January 30, 2025. The first RFSSC was co-sponsored by the United States Air Force Research Laboratory (AFRL) and the National Security Innovation Network (NSIN). The first RFSSC was a data-centric contest open to US academic and industrial organizations intended to spur innovation in machine learning and signal processing for automatic radio-frequency scene analysis (RFSA).