While the Pentagon has undertaken 11 alternatives to GPS efforts, DoD's Positioning, Navigation and Timing (PNT) Oversight Council has emphasized the envisioned move to the anti-jamming, anti-spoofing, encrypted M-code signal and should prioritize GPS alternatives, according to a Government Accountability Office (GAO) report for the Senate Armed Services Committee this month. The council, co-chaired by the Pentagon acquisition chief and the vice chairman of the Joint Chiefs of Staff, "has largely prioritized modernizing the existing GPS system over alternative PNT…
