Search Results - "Monico, João Francisco Galera"

An ionospheric scintillation index derived from dual-frequency Doppler measurements released by geodetic GNSS receivers operating at 1 Hz by Luo, Xiaomin, Xie, Zichun, Monico, João Francisco Galera, Zhang, Baocheng, Pereira, Vinícius Amadeu Stuani, Lou, Yidong

“…Doppler measurements are immune to cycle slips, which offers great potential for constructing the ionospheric scintillation indexes. This study proposes a new…”
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A Retrospective of Global Navigation Satellite System Ionospheric Irregularities Monitoring Networks in Brazil by Paula, Eurico Rodrigues de, Monico, João Francisco Galera, Tsuchiya, Ítalo Hirokazu, Valladares, Cesar Enrique, Costa, Sônia Maria Alves, Marini-Pereira, Leonardo, Vani, Bruno César, Moraes, Alison de Oliveira

“…ABSTRACT The use of Global Navigation Satellite System (GNSS) for air and terrestrial navigation and for many applications is increasing in the last decades…”
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Visual exploration and analysis of ionospheric scintillation monitoring data: The ISMR Query Tool by Vani, Bruno César, Shimabukuro, Milton Hirokazu, Galera Monico, João Francisco

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Accuracy assessment of Precise Point Positioning with multi-constellation GNSS data under ionospheric scintillation effects by Marques, Haroldo Antonio, Marques, Heloísa Alves Silva, Aquino, Marcio, Veettil, Sreeja Vadakke, Monico, João Francisco Galera

“…GPS and GLONASS are currently the Global Navigation Satellite Systems (GNSS) with full operational capacity. The integration of GPS, GLONASS and future GNSS…”
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A measure of ionospheric irregularities: zonal velocity and its implications for L‐band scintillation at low‐latitudes by Cesaroni, Claudio, Spogli, Luca, Franceschi, Giorgiana De, Damaceno, Juliana Garrido, Grzesiak, Marcin, Vani, Bruno, Monico, Joao Francisco Galera, Romano, Vincenzo, Alfonsi, Lucilla, Cafaro, Massimo

“…We estimate the zonal drift velocity of small‐scale ionospheric irregularities at low latitude by leveraging the spaced‐receivers technique applied to two GNSS…”
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A Novel Approach to Improve GNSS Precise Point Positioning During Strong Ionospheric Scintillation: Theory and Demonstration by Vani, Bruno Cesar, Forte, Biagio, Monico, Joao Francisco Galera, Skone, Susan, Shimabukuro, Milton Hirokazu, Moraes, Alison de Oliveira, Portella, Igor Ponte, Marques, Haroldo Antonio

“…At equatorial latitudes, ionospheric scintillation is the major limitation in achieving high-accuracy GNSS positioning. This is because scintillation affects…”
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50 anos de sinergia entre Geodésia Espacial e Meteorologia: do erro no posicionamento GNSS a aplicações de previsão de precipitação de curtíssimo prazo by Gouveia, Tayná Aparecida Ferreira, Monico, João Francisco Galera, Alves, Daniele Barroca Marra, Sapucci, Luiz Fernando, Geremia-Nievinski, Felipe

“…A atmosfera neutra (ou troposfera) causa refração nos sinais de radiofrequência, que resulta em erros nas medidas do Global Navigation Satellite Systems (GNSS)…”
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Variability of Vertical Total Electron Content Gradients in the Brazilian Sector by Espejo, Teddy Modesto Surco, Costa, Emanoel, de Paula, Eurico Rodrigues, Moraes, Alison de Oliveira, Monico, Joao Francisco Galera

“…Ground Based Augmentation Systems are designed to meet demanding requirements during airport approach and landing sections of aircraft routes. It computes…”
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Metaheuristic-based stochastic models for GNSS relative positioning planning by Koch, Ismael Érique, Klein, Ivandro, Gonzaga, Luiz, Rofatto, Vinicius Francisco, Matsuoka, Marcelo Tomio, Monico, João Francisco Galera, Veronez, Maurício Roberto

“…A priori variance–covariance matrix (VCM) estimation of global navigation satellite systems (GNSS) double difference observations in relative positioning is…”
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Space Diversity Mitigation Effects on Ionospheric Amplitude Scintillation with Basis on the Analysis of GNSS Experimental Data by Costa, Emanoel, Moraes, Alison de O., De Paula, Eurico R., Monico, Joao Francisco G.

“…Ionospheric density irregularities embedded in Equatorial Plasma Bubbles, with scale sizes varying from several hundred kilometers to several tens of meters,…”
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Flight-Test Evaluation of Integer Ambiguity Resolution Enabled PPP by Ma, Hongyang, Verhagen, Sandra, Psychas, Dimitrios, Monico, João Francisco Galera, Marques, Haroldo Antonio

“…AbstractThe technology of integer ambiguity resolution-enabled precise-point-positioning (also referred to as PPP-AR) has been proven capable of providing…”
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GBAS: fundamentals and availability analysis according to σvig by Silva, Weverton da Costa, Monico, João Francisco Galera

“…Ground-based augmentation system (GBAS) was developed to guide aircraft precision approach and landing, aiming to replace the instrument landing system (ILS),…”
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Extended ionospheric amplitude scintillation model for GPS receivers by de Oliveira Moraes, Alison, Costa, Emanoel, de Paula, Eurico Rodrigues, Perrella, Waldecir João, Monico, João Francisco Galera

“…Ionospheric scintillation is a phenomenon that occurs after sunset, especially in the low‐latitude region, affecting radio signals that propagate through the…”
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The GNSS NavAer INCT Project Overview and Main Results by Monico, João Francisco Galera, Paula, Eurico Rodrigues de, Moraes, Alison de Oliveira, Costa, Emanoel, Shimabukuro, Milton Hirokazu, Alves, Daniele Barroca Marra, Souza, Jonas Rodrigues de, Camargo, Paulo de Oliveira, Prol, Fabricio dos Santos, Vani, Bruno César, Pereira, Vinicius Stuani Amadeo, Oliveira Junior, Paulo Sergio de, Tsuchiya, Italo, Aguiar, Claudinei Rodrigues

“…ABSTRACT Air navigation is increasingly dependent on the use of Global Navigation Satellite Systems (GNSS). It allows the determination of the aircraft’s…”
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Assessment of a TEC calibration procedure by single-frequency PPP by Prol, Fabricio dos Santos, Camargo, Paulo de Oliveira, Monico, João Francisco Galera, Muella, Marcio Tadeu de Assis Honorato

“…Global navigation satellite system (GNSS) measurements have become an outstanding data source for ionospheric studies using total electron content (TEC)…”
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GPS Diffractive Reflectometry: Footprint of a Coherent Radio Reflection Inferred From the Sensitivity Kernel of Multipath SNR by Geremia-Nievinski, Felipe, Silva, Matheus Ferreira e, Boniface, Karen, Monico, Joao Francisco Galera

“…The validation of remote sensing environmental estimates requires knowledge of their spatial extent and resolution. Here, we consider coherent radio…”
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Tackling ionospheric scintillation threat to GNSS in Latin America by Sreeja, Vadakke Veettil, Aquino, Marcio, Forte, Biagio, Elmas, Zeynep, Hancock, Craig, De Franceschi, Giorgiana, Alfonsi, Lucilla, Spogli, Luca, Romano, Vincenzo, Bougard, Bruno, Monico, Joao Francisco Galera, Wernik, Andrzej W., Sleewaegen, Jean-Marie, Cantó, Andrea, Ferreira Da Silva, Elcia

“…Scintillations are rapid fluctuations in the phase and amplitude of transionospheric radio signals which are caused by small-scale plasma density…”
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S 4 index: Does it only measure ionospheric scintillation? by de Oliveira Nascimento Brassarote, Gabriela, de Souza, Eniuce Menezes, Monico, João Francisco Galera

“…The study of ionospheric scintillation has played a critical role in ionospheric research and also in satellite positioning. This is due to the growing…”
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L-band scintillations and calibrated total electron content gradients over Brazil during the last solar maximum by Cesaroni, Claudio, Spogli, Luca, Alfonsi, Lucilla, De Franceschi, Giorgiana, Ciraolo, Luigi, Galera Monico, Joao Francisco, Scotto, Carlo, Romano, Vincenzo, Aquino, Marcio, Bougard, Bruno

“…This work presents a contribution to the understanding of the ionospheric triggering of L-band scintillation in the region over São Paulo state in Brazil,…”
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Strain rate of the South American lithospheric plate by SIRGAS-CON geodetic observations by Marotta, Giuliano Sant'Anna, França, George Sand, Galera Monico, João Francisco, Fuck, Reinhardt Adolfo, Oswaldo de Araújo Filho, José

“…A multiyear solution of the SIRGAS-CON network was used to estimate the strain rates of the earth surface from the changing directions of the velocity vectors…”
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