Results 161 to 170 of about 51,712 (183)

Complementary PNT Technology Demonstration

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation, 2021
Positioning, Navigation, and Timing (PNT) supports critical infrastructure with its most known service: Global Positioning System (GPS). The presence of signals broadcast from satellites in Medium Earth Orbit (MEO), results in low signal strength from the receiver making it vulnerable to intentional and unintentional disruptions which could lead to ...
Andrew Hansen, Stephen Mackey, Hadi Wassaf, Karen Van Dyke   +3 more
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Foundational PNT profile :

2023
The national and economic security of the United States (U.S.) is dependent upon the reliable functioning of the nation s critical infrastructure. Positioning, Navigation, and Timing (PNT) services are widely deployed throughout this infrastructure.
James McCarthy, Ya-Shian Li-Baboud, Joseph Brule, Karri Meldorf   +3 more
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Delivering resilient PNT

2015 International Association of Institutes of Navigation World Congress (IAIN), 2015
For eLoran to be truly useful as a backup system to GNSS it must offer significant coverage for accurate positioning. Research in differential-Loran is very new and, until we understand more about the characteristics of spatial decorrelation of differential corrections, Port Approach Phase eLoran will be limited in coverage area due to the assumed ...
N. Ward, C. Hargreaves, P. Williams, M. Bransby   +3 more
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Relational Database for PNT Data

2020 IEEE/ION Position, Location and Navigation Symposium (PLANS), 2020
Navigation filter researchers often deal with multiple sets of data collected from different sources. Over time it can be difficult to identify how data was collected and how to model it without sufficient data storage techniques and documentation. A navigation database would allow storage of sets of Position, Navigation and Timing data, along with ...
Sean Mochocki, Kyle Kauffman, Robert Leishman, John Raquet   +3 more
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LEO-PNT for Augmenting Europe's Space-based PNT Capabilities

2023 IEEE/ION Position, Location and Navigation Symposium (PLANS), 2023
Lionel Ries, Miguel Cordero Limon, Florin-Catalin Grec, Marco Anghileri, Roberto Prieto-Cerdeira, Felix Abel, Javier Miguez, Jose Vicente Perello-Gisbert, Salvatore D'Addio, Rigas Ioannidis, Alessandra Ostillio, Manuela Rapisarda, Rui Sarnadas, Paride Testani   +13 more
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Applications of PNT Systems

2015
The tremendous growth in this industry is driven by the enormous number of applications provided by GPS and the other GNSS systems. These are far beyond what was originally designed and envisioned to be a strictly U. S. military system. Providing extremely precise, three-dimensional timing and navigation in a worldwide common grid that can be easily ...
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Foundational PNT Profile:

2022
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Metrijske karakteristike testa PNT

1987
Provedeno je izračunavanje osnovnih metrijskih karakteristika Purdue neverbalnog testa, na uzorku od 800 zdravih ispitanika. Na obje forme testa, dobiveni su veoma dobri rezultati što se tiče pouzdanosti, diskriminatiovnopsti i homogenosti. Obke forme testa su praktički jednako dobre i njihovi rezultati se mogu direktno uspoređivati.
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Executive Brief: GPS-Denied Assured PNT - Dual-Anchor Architecture Assessment (DAL-PNT v3.0)

Technology risk assessment identifying three systemic failures in current GPS-denied PNT architectures: (1) False Authentication Equivalence - systems place GPS M-code (encrypted, SAASM red-key), eLoran (station ID + TOA, no cryptographic signing), Locata (proprietary security), and TerraPoiNT (authentication unimplemented in tested receivers per JRC ...
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PNT

Cold Spring Harbor Protocols, 2008
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