Blog Editor’s Note: This is the most recent of several requests for information (RFIs) that the federal government has issued on this topic in the last few years. While the title says “Alternative Technologies” the text states the goal as “complementary and backup systems for GPS”
Here is a link to the 16 responses to the DoT RFI from last year. Note that some of the responses are proprietary and cannot be fully accessed by the public.
Office: Office of the Chief Procurement Officer
Location: Office of Procurement Operations