Here's the press release from Sandia https://www.sandia.gov/labnews/2021/10/22/this-device-could-usher-in-gps-free-navigation/ https://www.sandia.gov/labnews/20

Here's the press release from Sandia https://www.sandia.gov/labnews/2021/10/22/this-device-could-usher-in-gps-free-navigation/ https://www.sandia.gov/labnews/2021/10/22/this-device-could-... And the published paper it refers to https://avs.scitation.org/doi/10.1116/5.0053885 https://avs.scitation.org/doi/10.1116/5.0053885 And I agree that the answers to my questions are probably not public, this is likely going to be very useful for things that go boom, in addition to a lot of other civilian applications.