NASA's National Aeronautics and Space Administration (NASA) is seeking to procure one (1) Spectroradiometer Sensor Head for Spectral Measurements related to Atmospheric Radiative Transfer. This procurement is intended to fulfill a specific requirement, with the contract expected to be awarded on a sole source basis to Sciglob Instruments and Services, the sole provider identified for this specialized equipment. The sensor head is critical for scientific measurements and applications at the NASA Goddard Space Flight Center, emphasizing the importance of precise atmospheric data collection. Interested organizations are invited to submit their capabilities and qualifications by 3:00 p.m. Central Standard Time on September 20, 2024, to Kacey Hickman at kacey.l.hickman@nasa.gov, with the procurement process being guided by FAR Part 12 and FAR Part 13 regulations.