M. Gende 1 , C. Brunini 1 , C. Valladares 2 Universidad Nacional de La Plata, Argentina 1

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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M. Gende1, C. Brunini1, C. Valladares2

Universidad Nacional de La Plata, Argentina1

Boston College, USA 2

Near real time VTEC Near real time VTEC estimation using La Plata estimation using La Plata

Ionospheric ModelIonospheric Model

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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OutlookOutlook

LISN ProjectSIRGAS-IONLPIM modelNear real time dataConclusions and future work

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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The actual state of the The actual state of the Argentinean component of Argentinean component of

the LISN projectthe LISN project

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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LISNLISN

Low-latitude Ionospheric Sensor Network

Distributed multi-instrumental observatory

Monitoring and predicting the equatorial ionosphere

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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InstrumentsInstruments

70 GPS receivers (modified firmware)

5 flux gate magnetometers

5 ionospheric sensors

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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GPSGPS

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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GPSGPS

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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MagnetometerMagnetometer

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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Ionospheric sensorIonospheric sensor

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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SIRGAS-IONSIRGAS-ION

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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Stations for regional mapsStations for regional maps

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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http://http://cplat.fcaglp.unlp.edu.ar/cplat.fcaglp.unlp.edu.ar/

iono/us/index.shtmliono/us/index.shtml

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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LPIM modelLPIM model

Pre-processing

Calibration

Interpolation

4 STEC + B + B + N +srL

4 ( ).VTEC + +arcL f z

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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CorrientesCorrientes

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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CorrientesCorrientes

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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ConclusionsConclusionsA set of instruments were installed in the

frame of the LISN project

Part of LPIM routines were used to compute VTEC with a delay of 5 minutes

A prototype platform for future services

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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Future WorksFuture Works

Modify LPIM to accept NTRIP data format as input

Include more stations so a regional interpolation can be done

1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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1 September 2009. Buenos Aires, Argentina.

IAG Scientific Assembly: Geodesy For Planet Earth.

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