Welkin Sciences, LLC is a small business located in Colorado Springs focused on providing digital signal processing solutions for real-time communications systems. Through the Small Business Innovative Research Program (SBIR) we have fielded a number of unique products including hardware-in-the-loop SATCOM simulators for nuclear-induced scintillation (MASS, CoLTS) and ANSI/TIA 5041 compliant Digital IF products for SATCOM Terminals and Long Haul applications (WSP, LMDC, DCS, DIVA).