IONOSPHERIC STUDIES IN COLOMBIA
Jaime Villalobos, Ph.D.
Universidad Nacional de Colombia
November 7 2011
Departamento de FísicaGrupo 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)
EstacionesIonosféricasCOlombianas
REICO
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
Santa Marta
ARGOS
Santa Marta
LETICIA
Leticia, Amazonas
Rio Amazonas, Leticia
ESTACION IONOSFERICA TÌPICADE RASTREO SATELITAL PERMANENTE
Universidad Nacional de Colombia, Sede Amazonía, Leticia
ESTACION IONOSFERICA TÌPICADE RASTREO SATELITAL PERMANENTE
ESTACION IONOSFERICA TÌPICADE 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
MICOModelo 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
PseudorangeCarrier 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 EQUINOXIESSOLSTICES
FUTURE
DATA ASSIMILATIONIonospheric data
APPLICATIONS
Communications
GBAS navigation in Colombia
ESTRATEGY
INGEOMINAS
(Interaction with other local networks)
