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

Latest Articles


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.)


March 14, 2021
Steady As She Goes: Still Protecting, Toughening and Augmenting PNT

For years, both the Executive and Congress have expressed concerns over PNT vulnerabilities and clamored for solutions. Yet little has changed. Three important…

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


January 25, 2021
Washington View: The New Year Rang in with a Stand-Off

As 2020 ended, the Ligado project stood still. The FCC proceedings in the case had stagnated, while Congressional action, funds and filings flowed.

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


December 10, 2020
Washington View: Ringing in the New Year with a Ligado Stand-Off

As 2020 comes to a close, the Ligado Networks LLC’s (Ligado) mobile satellite services (MSS) project remains at a standstill. While actions in…

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


October 29, 2020
Moving at the Speed of Government: Ligado 5G Plan Inches Forward

Six months ago, the FCC unanimously granted Ligado’s amended license modification applications to deploy a low-power terrestrial nationwide network in the L-Band. Petitions…

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


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