November 7 2011 IONOSPHERIC STUDIES IN COLOMBIA Jaime Villalobos, Ph.D. Universidad Nacional de Colombia 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 – Santa Marta – Leticia – Leticia – Popayán - Manizales FUTURE – Arauca – Tumaco – Villa de Leyva - Arauca (3 Receivers: GPS, UHF, VHF) (1 GPS Receiver) (1 GPS Receiver) (1 magnetometer) (1 GPS Receiver) (1 Receiver: UHF) (1 GPS Receiver Nov 2011) (1 GPS Receiver Dec 2011) (1 Prospect Imager) (1 Prospect Ionosonde) SCION LEO-2 Prototipe receiver Scion Associates Colombia is located under the northern anomally Santa Marta Santa Marta Santa Marta ARGOS LETICIA Leticia, Amazonas Rio Amazonas, Leticia Universidad Nacional de Colombia, Sede Amazonía, Leticia ESTACION IONOSFERICA TÌPICA DE RASTREO SATELITAL PERMANENTE ESTACION IONOSFERICA TÌPICA DE RASTREO SATELITAL PERMANENTE ESTACION IONOSFERICA TÌPICA DE RASTREO SATELITAL PERMANENTE 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 (Interaction with other local networks) INGEOMINAS muito obrigado [email protected] [email protected]