Dawn M.K. Zoldi (Colonel, USAF, Ret.), Author at Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design


Latest Articles


November 19, 2023
The CPNT Contenders?

In September, the U.S. Department of Transportation (DOT) issued a Request for Information (RFI) to seek industry input on Complementary Positioning, Navigation, and…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


October 29, 2023
All Jammed Up, DOT Urgently Seeks Complementary PNT

For years, the U.S. Department of Transportation (DOT) has been exploring the technologies and systems necessary to provide positioning, navigation, and timing (PNT)…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


March 15, 2023
Washington View: Beam Me Up (And Down), Scotty

A look at the state of 5G NR NTN.

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


November 21, 2022
Washington View: The Latest on Ligado

While an independent report from NASEM has validated some NTIA GPS interference claims, no real mitigation is in in sight.

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


September 21, 2022
Washington View: Welcome to the Space Jam

Space debris poses a danger to PNT. Here’s a look at the threat and how the FCC plans to regulate its removal.

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


July 25, 2022
Washington View: Raising the Bar

RTCA is working to develop new standards to tackle GNSS growth and challenges. Here’s an update on the special committee’s progress, provided during…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


May 16, 2022
Washington View – Deja Vu All Over Again: Ligado’s 5G Network Set For Collision Course With GPS? 

Will the network, which some are still fighting, be ready for a September rollout, and if so, what are the implications for GPS…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


March 29, 2022
Washington View: Not There Yet; DOD Report Says M-Code Capability Lags

Warfighting systems rely on GPS to provide cyber-secure and accurate positioning, navigation and timing (PNT). A recent Department of Defense Operational Test and…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


March 7, 2022
Washington View: 5G, PNT, and Air Safety

A  deadlock over 5G implementation, and the potential hazards the technology would create for air traffic safety, has been at least temporarily resolved….

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


March 1, 2022
Real-Life Testing: Part 2 – Operational Test Phase

Skin in the Game – Engineers Subject Themselves to Sensor Fusion Two Hexagon I NovAtel employees and a reporter sacrificed their bodies in…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


November 19, 2021
Washington View: PNT—Who Gets to See?

The smartphone and its various everyday apps link us to GPS, Wi-Fi networks, Bluetooth LTE, audio and cell tower proximity that help us…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


September 14, 2021
Washington View: Big Wheels Keep On Turning – Rolling On The River To 5G

Ligado Networks had an early-year win in the form of a Federal Communications Commission denial of the National Telecommunications and Information Administration Stay…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


July 28, 2021
Washington View – PNT: Nothing to See?

A Department of Homeland (DHS)-chartered May 2021 report concludes that PNT threat and resilience concerns are not as dire as some have made…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


May 20, 2021
The PNT T.A.P. (Toughening, Augmenting, Protecting) Dance

One hundred days into the administration and the federal civil service crew has set the stage for the Biden team on the tough…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


March 16, 2021
Ligado Cleared to Press On…For Now

When most were focused on the transition of power in the White House, the day before the Inauguration and the very last day…

By Dawn M.K. Zoldi (Colonel, USAF, Ret.)


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