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View article: Proton Evaluation of Single Event Effects in the NVIDIA GPU Orin SoM: Understanding Radiation Vulnerabilities Beyond the SoC
Proton Evaluation of Single Event Effects in the NVIDIA GPU Orin SoM: Understanding Radiation Vulnerabilities Beyond the SoC Open
In this paper, we investigate the single event effects under proton irradiation for the state-of-the-art embedded GPU NVIDIA Jetson Orin NX System-on-Module (SoM). Designed for deployment across safety critical domains and in particularly …
View article: Mixed-Field Radiation Monitoring and Beam Characterization Through Silicon Diode Detectors
Mixed-Field Radiation Monitoring and Beam Characterization Through Silicon Diode Detectors Open
We present a calibration of a commercial silicon diode with proton and alpha beams and gamma rays. The diode together with a fast acquisition chain can be exploited for both direct and indirect (through the secondary radiation field) beam …
View article: Ultra-Large Silicon Diode for Characterizing Low-Intensity Radiation Environments
Ultra-Large Silicon Diode for Characterizing Low-Intensity Radiation Environments Open
We present applications of a large commercial silicon diode (50 cm $^{2}\\,\\,\\times 500\\,\\,{\\mu }\\text{m}$ ) for monitoring low-intensity radiation fields, together with benchmarks via Monte Carlo simulations. After energy calibratio…
View article: Radiation risk assessment for varying space weather conditions for very high altitude 'near space' tourism balloon flights
Radiation risk assessment for varying space weather conditions for very high altitude 'near space' tourism balloon flights Open
Within the next decade it is likely that the space tourism industry will grow dramatically and the number of humans travelling into, and beyond, the stratosphere via commercial entities such as World View and Space Perspective will increas…
View article: The Living With a Star Space Environment Testbed Payload
The Living With a Star Space Environment Testbed Payload Open
This presentation outlines a brief description of the Living With a Star (LWS) Program missions and detailed information about the Space Environment Testbed (SET) payload consisting of a space weather monitor and carrier containing 4 board…
View article: The Variation of Radiation Effective Dose Rates and Single Event Effect Rates at Aviation Altitudes with Magnetospheric Conditions and Geographic Location
The Variation of Radiation Effective Dose Rates and Single Event Effect Rates at Aviation Altitudes with Magnetospheric Conditions and Geographic Location Open
The geographic structure of radiation dose rates at aircraft altitudes in Earth's atmosphere during the irradiation of Earth by proton spectra from incoming solar particle events is examined using the recently developed MAIRE+ software. Co…
View article: A New Model for Nowcasting the Aviation Radiation Environment With Comparisons to In Situ Measurements During GLEs
A New Model for Nowcasting the Aviation Radiation Environment With Comparisons to In Situ Measurements During GLEs Open
Significant increases to the atmospheric radiation environment are recorded by a network of ground level neutron monitors as ground level enhancements (GLEs). These space weather phenomena pose a risk to aviation via single event effects i…
View article: A New Model for Nowcasting the Aviation Radiation Environment with Comparisons to In Situ Measurements During GLEs
A New Model for Nowcasting the Aviation Radiation Environment with Comparisons to In Situ Measurements During GLEs Open
Pre-publication data for article submitted to AGU Space Weather Journal for review.
View article: Detecting Ground Level Enhancements Using Soil Moisture Sensor Networks
Detecting Ground Level Enhancements Using Soil Moisture Sensor Networks Open
Ground level enhancements (GLEs) are space weather events that pose a potential hazard to the aviation environment through single event effects in avionics and increased dose to passengers and crew. The existing ground level neutron monito…
View article: Results from Testing Low-Cost, High-Performance Terrestrial Processors for Use in Low-Cost High-Performance Space Missions
Results from Testing Low-Cost, High-Performance Terrestrial Processors for Use in Low-Cost High-Performance Space Missions Open
There has been a significant and exciting increase in the use of microsatellites and cubesats in the past decade.\nHowever, it has proved difficult to scale up current cubesat avionics systems to enable larger, longer, more complex mission…
View article: Coordinated Ionospheric Reconstruction CubeSat Experiment (CIRCE), <i>In situ</i> and Remote Ionospheric Sensing (IRIS) suite
Coordinated Ionospheric Reconstruction CubeSat Experiment (CIRCE), <i>In situ</i> and Remote Ionospheric Sensing (IRIS) suite Open
The UK’s Defence Science and Technology Laboratory (Dstl) is partnering with the US Naval Research Laboratory (NRL) on a joint mission to launch miniature sensors that will advance space weather measurement and modelling capabilities. The …
View article: A Citizen Science Network for Measurements of Atmospheric Ionizing Radiation Levels
A Citizen Science Network for Measurements of Atmospheric Ionizing Radiation Levels Open
Historically, gathering data on atmospheric radiation levels during solar particle events has been difficult, as there is little or no time warning of events. Being able to accurately quantify radiation levels within the atmosphere during …
View article: Space Weather Quarterly Volume 16, Issue 3, 2019
Space Weather Quarterly Volume 16, Issue 3, 2019 Open
In this paper we present several methods to identify precursors that show great promise for early predictions of solar flare events.A data preprocessing pipeline is built to extract useful data from multiple sources, Geostationary Operatio…
View article: Radiation Effects on Satellites During Extreme Space Weather Events
Radiation Effects on Satellites During Extreme Space Weather Events Open
High‐energy trapped electrons in the Van Allen belts pose a threat to the survivability of orbiting spacecraft. Two key radiation effects are total ionizing dose and displacement damage dose in components and materials, both of which cause…
View article: Realistic Worst Case for a Severe Space Weather Event Driven by a Fast Solar Wind Stream
Realistic Worst Case for a Severe Space Weather Event Driven by a Fast Solar Wind Stream Open
Satellite charging is one of the most important risks for satellites on orbit. Satellite charging can lead to an electrostatic discharge resulting in component damage, phantom commands, and loss of service and in exceptional cases total sa…
View article: Radiation Effects On Satellites During Extreme Space Weather Events (Pre-Publication Dataset)
Radiation Effects On Satellites During Extreme Space Weather Events (Pre-Publication Dataset) Open
Data for submitted paper entitled "Radiation Effects on Satellites during Extreme Space Weather Events". Submitted to AGU Space Weather.
View article: Radiation Effects On Satellites During Extreme Space Weather Events (Pre-Publication Dataset)
Radiation Effects On Satellites During Extreme Space Weather Events (Pre-Publication Dataset) Open
Data for submitted paper entitled "Radiation Effects on Satellites during Extreme Space Weather Events". Submitted to AGU Space Weather.
View article: Zenith: A Radiosonde Detector for Rapid‐Response Ionizing Atmospheric Radiation Measurements During Solar Particle Events
Zenith: A Radiosonde Detector for Rapid‐Response Ionizing Atmospheric Radiation Measurements During Solar Particle Events Open
Solar energetic particle events create radiation risks for aircraft, notably single‐event effects in microelectronics along with increased dose to crew and passengers. In response to this, some airlines modify their flight routes after aut…
View article: The disappearance of the pfotzer-regener maximum in dose equivalent measurements in the stratosphere
The disappearance of the pfotzer-regener maximum in dose equivalent measurements in the stratosphere Open
The NASA Radiation Dosimetry Experiment (RaD-X) successfully deployed four radiation detectors on a high altitude balloon for a period of approximately twenty hours. One of these detectors was the RaySure in-flight monitor, which is a soli…
View article: Ground-based evaluation of dosimeters for NASA high-altitude balloon flight
Ground-based evaluation of dosimeters for NASA high-altitude balloon flight Open
Results are presented from evaluations of radiation dosimeters prior to a NASA high-altitude balloon flight, the RaD-X mission. Four radiation dosimeters were onboard RaD-X: a Far West Hawk (Version 3), a Teledyne dosimeter (UDOS001), a Li…
View article: Extreme internal charging currents in medium Earth orbit: Analysis of SURF plate currents on Giove-A
Extreme internal charging currents in medium Earth orbit: Analysis of SURF plate currents on Giove-A Open
Relativistic electrons can penetrate spacecraft shielding and can damage satellite components. Spacecraft in medium Earth orbit pass through the heart of the outer radiation belt and may be exposed to large fluxes of relativistic electrons…
View article: Advances in Atmospheric Radiation Measurements and Modeling Needed to Improve Air Safety
Advances in Atmospheric Radiation Measurements and Modeling Needed to Improve Air Safety Open
Air safety is tied to the phenomenon of ionizing radiation from space weather, primarily from
\ngalactic cosmic rays but also from solar energetic particles. A global framework for addressing radiation
\nissues in this environment has been…