The US Defense Advanced Research Projects Agency (DARPA) is planning to conduct demonstrations that centre on the possibility of performing position, navigation, and timing (PNT) in GPS-denied or degraded environments using very low frequency (VLF) signals.
Under the Spatial, Temporal, and Orientation Information in Contested Environments (STOIC) programme, DARPA will be performing systems integration before conducting real-time testing at sea to demonstrate the feasibility of STOIC in the April-May timeframe, Dave Tremper, programme manager in DARPA’s Strategic Technology Office (STO), told Jane’s .
“We are planning to do it for at least a week, probably more, just to see how robust it is and test it under different operational conditions and try to exercise it as much as possible so that we can see how robust it actually is,” Tremper said.
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