Results 171 to 180 of about 46,320 (319)

TGCAT—A Tool to Analyse the Content of Sea Level Data Portals

open access: yesGeoscience Data Journal, Volume 13, Issue 1, January 2026.
TGCAT is an online tool (www.sonel.org/tgcat) to help sea level data providers, data aggregators, and data users to visualise available tide gauge datasets. It is aimed to improve data referencing and discoverability in the global tide gauge data centres. The code has been fully developed in Python and is open‐source.
Laurent Testut   +4 more
wiley   +1 more source

Measuring GNSS ionospheric total electron content at Concordia, and application to L-band radiometers

open access: diamond, 2013
Vincenzo Romano   +5 more
openalex   +2 more sources

Risks of Time and Chronology as an Underpinning Infrastructure for Critical Systems: Emerging Chronorisks and Chronosecurity Needs

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT Time and chronology form the invisible architecture upon which modern civilization depends, governing synchronization across markets, power grids, communication networks, transportation, and defense. Yet, this shared temporal framework, engineered through atomic clocks, satellites, and digital synchronization, faces growing vulnerabilities ...
Bilal M. Ayyub
wiley   +1 more source

Application of GNSS for UAVs

open access: yesJournal of the Robotics Society of Japan, 2019
openaire   +2 more sources

Miniaturized DRA Array for GNSS Applications

open access: yes, 2015
The increase in GNSS satellites and services is fostering a new wave of applications related to satellite navigation. Such increase is also followed by more and more threats, aiming at signal disruption. In order to fully exploit the potentialities, being able at the same time to counteract threats such as interference and jamming, smart antenna ...
openaire   +1 more source

A Generalized Concept for Clustering Capabilities of Weeding Robots

open access: yesJournal of Field Robotics, Volume 43, Issue 1, Page 49-62, January 2026.
ABSTRACT Agriculture is undergoing a significant transformation process with the help of robots. Weeding robots have made their way into the market, and they play a crucial role in automating the weeding process in the field. This study introduces a generalized concept of autonomy levels for currently available weeding robots in the field as well as a ...
Stefan Paulus   +4 more
wiley   +1 more source

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