Ionospheric scintillation - PowerPoint PPT Presentation


Four-Year Plan for WMO Space Weather Activities 2024-2027

Space Weather is a crucial aspect of the natural space environment affecting various technologies on Earth and in space. The plan outlines goals, historical context, and key recommendations by INFCOM-3 for monitoring and modeling solar, magnetospheric, and ionospheric activities. Integration of Spac

0 views • 9 slides


Advanced Fission Experiments at University of Michigan

The University of Michigan, under the guidance of Dr. Sara A. Pozzi, conducts cutting-edge fission experiments leveraging organic scintillation detectors. These detectors offer advantages such as nanosecond-scale response times, energy proportionality, and scalability. The experiments focus on impro

0 views • 4 slides



Optimum Solar Proxy for Long-Term Ionospheric Studies

The search for the best solar proxy for long-term ionospheric studies is ongoing due to the lack of consistent solar radiation data. Various solar proxies have been analyzed, and the use of Mg II for foF2 and F10.7 for foE has shown promising results, describing a high percentage of variance in the

1 views • 10 slides


Estimation of Ionospheric Critical Plasma Frequencies Using GNSS Measurements

This research focuses on estimating the critical plasma frequency of the ionosphere, specifically the F2 layer (f0F2), using GNSS measurements. The study reviews past work on ionospheric modeling, discusses neural network training inputs, and presents a single station neural network model (NNT2F2).

0 views • 26 slides


Cutting-edge Technology at Sodankyl Geophysical Observatory

The Sodankyl Geophysical Observatory in Finland utilizes state-of-the-art technology for ionospheric research, including the Alpha-Wolf sounder, a sophisticated transmitter, and receiver array. The observatory has a rich history of ionosonde operations since 1957, with continuous advancements in dat

2 views • 23 slides


Advancements in Doping Liquid Argon with Xenon: Historical Overview

Delve into the historical review and latest developments of doping liquid argon with xenon, aiming to shift light wavelengths for improved visibility in TPC volumes. Key questions address the effect on scintillation components, stability of xenon doping, and potential ice cluster formation. Early st

0 views • 27 slides


Understanding Electroluminescence Time Projection Chamber (EL TPC) Physics

Delve into the fundamentals of Electroluminescence Time Projection Chambers (EL TPCs) through concepts like electron drift, scintillation mechanisms in noble gases, and charge yield estimation. Explore the workings of EL TPC prototypes, such as ZEPLIN II/III and DarkSide, for applications like react

0 views • 23 slides


Radiation Detection and Dosimetry in Medical Imaging

Radiation detection and measurement are essential in radiology. Various instruments like ionization chambers, film badges, thermoluminescent dosimeters, and pocket dosimeters are used to monitor radiation exposure. Personnel dosimetry is crucial for tracking radiation doses over time to ensure safet

2 views • 31 slides


Nanoparticle-Enhanced Readout for Crystal Calorimetry: BaF2 Scintillation Detection

Nanoparticles with specific absorption and emission properties are explored to enhance the readout process for BaF2 crystal calorimetry, focusing on detecting the fast 220nm UV component. The goal is to achieve a large Stokes shift to the visible wavelength range for efficient detection, while minim

0 views • 7 slides


Advanced Calorimeter Technology for Particle Detection

Cutting-edge calorimeter technology for high-energy physics experiments is discussed in this content. The focus is on radiation-hard crystal scintillators and plastic scintillator-based Shashlik technology used in the present ECAL. Details about the requirements, materials, irradiation tests, and ad

0 views • 16 slides


GNSS Ionospheric Study in Korea: Insights and Findings

Explore the status of GNSS ionospheric study in Korea, including details on Korea's GPS permanent network, IGS, KASI Global Data Center, TEC mapping, and ionospheric tomography. Discover how ground-based GPS data is used to study ionospheric electron densities and monitor ionospheric storms in Korea

0 views • 15 slides


Update on Ionospheric Studies Task Force (ISTF/4) Meeting in Philippines

The ISTF/4 meeting in Philippines provided updates on data collection tasks, including current and planned data sources. The report highlighted the total number of operating stations, types of data collected, and progress on new site installations. Additionally, updates on the use of data within CAA

0 views • 4 slides


Understanding Ionospheric Absorption Laws and Regions

The principles of the ionosphere at middle and low latitudes, Lambert-Beer exponential absorption law, and characteristics of E and F regions are discussed. The absorption of solar radiation, recombination reactions in different regions, and ionization processes are highlighted, providing insights i

0 views • 15 slides


Recent Insights into Mars Ionosphere Studies with MARSIS-AIS

Discover recent research on the Martian ionosphere conducted by scientists using various instruments such as MARSIS, MAVEN, and MarMCET. Explore studies on electron density profiles, ionospheric traces, and the timing issue correction of the AIS sounding cycle. Publications address improvements in a

0 views • 6 slides


Advancing the Living with a Star Program: Science Goals and Community Priorities

The Living with a Star (LWS) program, led by a dedicated steering committee, aims to provide yearly reports, set long-term visions, and address key science topics in solar and space physics. The community priorities include enabling discovery and addressing societal needs, emphasizing the importance

0 views • 11 slides


Implementation of Cornell Ionospheric Scintillation Model in Spirent GNSS Simulator

Researchers from the University of Nottingham and Spirent Communications collaborated to implement the Cornell Ionospheric Scintillation Model into the Spirent GNSS Simulator. The study focuses on the diffractive effects of ionospheric scintillation on GNSS signals, examining small-scale plasma irre

0 views • 24 slides


Investigation of Low-Latitude S-Band Ionospheric Scintillations during September 2017 Geo-Magnetic Storm

The study focuses on analyzing the impact of geo-magnetic storms on NAVIC satellites, particularly the S-band signal, during September 2017. Researchers from K.L. Deemed to be University observed variations in solar and geomagnetic activity indices, providing insights into the behavior of the ionosp

0 views • 15 slides


Status of GATE-related Projects at Helmholtz-Gemeinschaft

Helmholtz-Gemeinschaft's GATE-related projects involve research on PET-detector designs for BrainPET-insert, simulations of scintillation processes, and challenges with computing time for optical photon studies. Suggestions for improving efficiency are being discussed in the Steering Committee.

0 views • 11 slides


Advancements in Liquid Argon Time Projection Chamber Technology

Explore the capabilities of the DUNE project with a focus on the Far Detector conceptual design, operating principles of Single Phase LAr TPC, and advantages/disadvantages of liquid argon as a detection medium. The innovative technology allows for precise tracking at the sub-1mm level and facilitate

0 views • 36 slides


Comparison of MSTID and Sporadic E Distributions in Ionosphere Study

Investigating the role of sporadic E in medium-scale traveling ionospheric disturbances by comparing its distribution with MSTID using CHAMP satellite data. Sporadic E and MSTID occurrences, detection methods, and distribution patterns in different hemispheres are explored, revealing seasonal variat

0 views • 9 slides