The Department of Defense, specifically the Air Force Metrology Calibration Program (AFMETCAL), is seeking information from potential sources for a Sound Calibration System Software Upgrade. The objective is to upgrade the software for the 3630-W-033 and 3630-W-034 Acoustic Calibration Systems to version 9.0, enhancing compatibility with modern Sound Level Meters and improving overall performance through over 600 updates, including faster communication and updated calibration report generation. This upgrade is crucial for maintaining functional and modern equipment in alignment with contemporary technological standards, ensuring continued technical support and warranty coverage for three years. Interested parties must submit their responses by September 26, 2024, at 2:00 PM ET, and can contact Megan Moretti at megan.moretti@us.af.mil or Frank Capuano at frank.capuano@us.af.mil for further details.