IONOSPHERIC STUDIES IN COLOMBIA Jaime Villalobos, Ph.D. Universidad Nacional de Colombia November Departamento de Física Grupo ARGOS
Agenda ARGOS Research Group LISN network in Colombia What do we do? Future projects
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
Instituciones que hacen posible esta investigación
REICO: Red (network) Estaciones Ionosféricas COlombianas
R E I C O Villa de LeyvaC Tumaco
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)
SCION LEO-2 Prototipe receiver Scion Associates
Colombia is located under the northern anomally
Santa Marta
ARGOS Santa Marta
LETICIA Leticia, Amazonas
. Rio Amazonas, Leticia
. ESTACION IONOSFERICA TÌPICA DE RASTREO SATELITAL PERMANENTE Universidad Nacional de Colombia, Sede Amazonía, Leticia
. ESTACION IONOSFERICA TÌPICA DE RASTREO SATELITAL PERMANENTE
. Estación Ionosférica GPS, Leticia
LETICIA - MAGNETOMETER
Leticia Magnetometer Aligned meridionally with Puerto Maldonado, Perú Casleo, El Leoncito, Argentina
GPS station in Bogotá
MICO Modelo Ionosférico Colombiano - First approach to develop a model -
MICO (macaco or monkey ) Ionospheric Colombian Model
We developed a model to provide information of TEC in the ionosphere
Slant TEC Pseudorange Carrier phase Observation files
Estimation of orbits Navigation files
Comparison with other models
MICO Behaviour of TEC variations CME on June 4th 2011
TEC Differences when EQUINOXIES SOLSTICES
FUTURE DATA ASSIMILATION Ionospheric data
APPLICATIONS Communications GBAS navigation in Colombia
ESTRATEGY INGEOMINAS (Interaction with other local networks)
muito obrigado