IONOSPHERIC STUDIES IN COLOMBIA
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Transcript of IONOSPHERIC STUDIES IN COLOMBIA
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IONOSPHERIC STUDIES IN COLOMBIA
Jaime Villalobos, Ph.D.
Universidad Nacional de Colombia
November 7 2011
Departamento de FísicaGrupo ARGOS
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Agenda
• ARGOS Research Group• LISN network in Colombia• What do we do?• Future projects
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ARGOS (research group)
– Jaime Villalobos, Ph.D.– Juan Carlos Palacios, Ms.Sc.– Joan Pluas– Javier Duque– Juan Guillermo Melgarejo– Jair Laguna– Miguel Duran– Freddy Forero– Raúl Carrera
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Instituciones que hacen posible esta investigación
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REICO:Red (network)
EstacionesIonosféricasCOlombianas
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REICO
Villa de LeyvaC
Tumaco
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Colombian Ionospheric Stations Network
– Research facilities -– Bogotá (3 Receivers: GPS, UHF,
VHF)– Santa Marta (1 GPS Receiver)– Leticia (1 GPS Receiver)– Leticia (1 magnetometer)– Popayán (1 GPS Receiver)- Manizales (1 Receiver: UHF) FUTURE – Arauca (1 GPS Receiver Nov 2011)– Tumaco (1 GPS Receiver Dec 2011)– Villa de Leyva (1 Prospect Imager)- Arauca (1 Prospect Ionosonde)
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SCION LEO-2 Prototipe receiver
Scion Associates
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Colombia is located under the northern anomally
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Santa Marta
Santa Marta
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ARGOS
Santa Marta
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LETICIA
Leticia, Amazonas
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Rio Amazonas, Leticia
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ESTACION IONOSFERICA TÌPICADE RASTREO SATELITAL PERMANENTE
Universidad Nacional de Colombia, Sede Amazonía, Leticia
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ESTACION IONOSFERICA TÌPICADE RASTREO SATELITAL PERMANENTE
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ESTACION IONOSFERICA TÌPICADE RASTREO SATELITAL PERMANENTE
Estación Ionosférica GPS, Leticia
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LETICIA - MAGNETOMETER
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Leticia Magnetometer
Aligned meridionally with
Puerto Maldonado, Perú
Casleo, El Leoncito, Argentina
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GPS station in Bogotá
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MICOModelo Ionosférico Colombiano
- First approach to develop a model -
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MICO (macaco or monkey )Ionospheric Colombian Model
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We developed a model to provide information of TEC in the
ionosphere
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Slant TEC
PseudorangeCarrier phase
Observation files
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Estimation of orbits
Navigation files
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Comparison with other models
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MICO
Behaviour of TEC variations
CME on June 4th 2011
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TEC Differences when EQUINOXIESSOLSTICES
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FUTURE
DATA ASSIMILATIONIonospheric data
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APPLICATIONS
Communications
GBAS navigation in Colombia
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ESTRATEGY
INGEOMINAS
(Interaction with other local networks)