Full Report
Image: Equal Earth projection showing land masses in correct proportion (Shutterstock) What’s new: A greatly improved method of making the round-earth flat for precise navigation. It is being shopped around by KeplerKoord. Why it’s important: Most navigation coordinate frames rely on GNSS and large areas. For GNSS denied or limited areas (e.g. underground mines, tunnels, densely populated urban areas, indoor industrial facilities, high latitude) most navigation systems depend on combinations of GNSS, INS, SLAM, radar, and local Cartesian coordinate systems. Maintaining a consistent spatial frame across different sensors, operational areas, and environments without GNSS coverage is a challenge. Local systems can accumulate drift, conventional map projections introduce scale and geometric distortions, and transitions between local and global reference frames create interoperability issues. The challenge is amplified with autonomous vehicles, robotics, digital twins, and AI-based systems trying to share accurate and consistent spatial information in real time. What else to know: […]
Analysis Summary
# Morning News Roll-up September 26, 2026
## Overview
This report focuses on emerging threats and technological shifts within Positioning, Navigation, and Timing (PNT) systems. Key highlights include the development of new geodetic frameworks to combat GNSS-denied navigation challenges, widespread electronic interference affecting commercial aviation, and cyber-attacks targeting maritime infrastructure.
## Top Stories
### GNSS-Denied Navigation and Geodetic Distortions
- Summary: The reliance on GNSS in complex environments (underground, urban, high latitude) has created a vulnerability where local Cartesian systems accumulate drift and geometric distortions. KeplerKoord is proposing a new mathematical framework to provide precise, flat-earth navigation coordinates to ensure interoperability for autonomous systems and robotics in GNSS-limited environments.
- Source: hxxps://rntfnd[.]org/wp-content/uploads/KeplerKoord_Pitch_RPCS-Postable-6-Sep[.]pdf
### Widespread GNSS Jamming in Southern California
- Summary: Reports indicate commercial airliners in Southern California have experienced significant jamming incidents. Experts are warning of a global crisis regarding PNT reliability, as persistent interference threatens the "quiet backbone" of modern transportation and logistics.
- Source: hxxps://rntfnd[.]org/2026/09/26/airliners-jammed-in-socal-warnings-of-global-crisis-at-ion-the-travel-location-business-news/
### Cyber Compromise of US-Bound Maritime Vessels
- Summary: Two maritime vessels destined for the United States were reportedly compromised by hackers. This incident highlights a growing trend of targeting transportation infrastructure to disrupt supply chains, specifically exploiting dependencies on automated navigation and communication systems.
- Source: hxxps://rntfnd[.]org/2026/09/21/two-us-bound-vessels-apparently-compromised-by-hackers-reuters/
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# Main Topic
**Vulnerabilities in Global PNT Infrastructure and Geodetic Interoperability**
The primary threat involves the inherent fragility of GNSS-dependent navigation systems and the technical limitations of local coordinate frames in GNSS-denied environments. This includes active electronic warfare (jamming), cyber-attacks on maritime assets, and the "drift" associated with non-standardized spatial frames in autonomous robotics.
## Key Points
- **GNSS Dependency:** Most navigation relies on large-area GNSS frames, which are easily disrupted in urban, underground, or high-latitude settings.
- **Geodetic Distortion:** Transitioning between local Cartesian systems and global frames introduces scale errors and geometric distortions, hindering real-time AI and digital twin synchronization.
- **Interference Escalation:** Significant jamming events are moving from localized military zones to major commercial corridors (e.g., SoCal aviation).
- **Strategic Geodesy:** The U.S. Space Force and Foreign Comparative Testing program are actively seeking "Deep Geodesy" solutions like KeplerKoord to maintain navigation continuity without GNSS.
## Threat Actors
- **Electronic Warfare Units:** (Unattributed) Responsible for large-scale GNSS jamming affecting commercial aviation in Southern California.
- **Maritime Cyber Adversaries:** (Unattributed) Groups targeting the automated systems of US-bound commercial vessels.
- **Motivations:** Disruption of critical infrastructure, supply chain interference, and testing of signals-denial capabilities.
## TTPs
- **GNSS Jamming/SPOOFING:** Overpowering legitimate satellite signals to cause loss of lock or incorrect positioning in aircraft.
- **System Compromise:** Unauthorized access to onboard maritime networks to influence vessel operations.
- **Spatial Drift Exploitation:** Taking advantage of the cumulative errors in local INS (Inertial Navigation Systems) and SLAM (Simultaneous Localization and Mapping) when GNSS is unavailable.
## Affected Systems
- **Aviation:** Commercial airliners and cockpit navigation suites.
- **Maritime:** US-bound cargo vessels and automated steering/tracking systems.
- **Autonomous Systems:** Robotics, industrial drones, and AI-based digital twins requiring sub-centimeter spatial accuracy.
- **Infrastructure:** Underground mines, tunnels, and dense urban industrial facilities.
## Mitigations
- **Resilient PNT Architecture:** Implementation of "sovereign clocks" and local terrestrial timing backups as seen in Norway.
- **Advanced Geodetic Modeling:** Adoption of improved mathematical coordinate frames (e.g., KeplerKoord) to eliminate scale distortion in local navigation.
- **Sensor Fusion:** Combining GNSS with INS, SLAM, and Radar to provide redundancy.
- **Policy Advocacy:** Engaging government leaders to recognize PNT as a foundational critical infrastructure rather than a secondary feature.
## Conclusion
The current reliance on GNSS represents a single point of failure for global logistics and autonomous operations. The emergence of high-intensity jamming in commercial airspace and cyber-attacks on maritime vessels necessitates an immediate shift toward "Resilient PNT." Organizations should prioritize geodetic interoperability and hardware-level redundancy to mitigate the risks of signal denial and spatial data corruption.