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Technical Projects / Establishment of Total Electron Content (TEC) & Ionospheric Scintillation Monitoring Network...

 Establishment of Total Electron Content (TEC) & Ionospheric Scintillation Monitoring Network under the framework of ISNET

  1. Overall Objectives
    1. Promote the installation of ionospheric monitoring equipment in ISNET Member States
    2. Improve the existing observatories in the OIC countries by providing:-
      1. Training to ionospheric data scaling staff
      2. Providing knowledge about up-to-date ionospheric instrumentation
      3. Training on data processing
      4. Establish a data acquisition network
      5. Assess the impact of space weather on communication systems
      6. Develop regional TEC model

  2. Project Details
    1. The Earth's ionosphere is an ionized portion in the upper atmosphere which affects radio waves. Pakistan Space & Upper Atmosphere Research Commission, SUPARCO, the national space agency has been acquiring the ionospheric data over the country for the last four decades at three locations, including Sonmiani, Multan and Islamabad.
    2. The ionosphere consists of positive charged particles and the free negatively electrons.
    3. The electron density enables us to develop radio links between two stations on the globe as well as in air for the long range HF communication. The peak density occurs in the F2 region of the ionosphere which is the highest ionized layer of ionosphere present 24 hours a day. In order to quantify the free electron density a parameter called Total Electron Content (TEC) is used which tells about the total number of electrons present between two points in a column of unit area.

  3. Project Details In order to improve Space Weather services and products, there is a dire need of regional data acquisition, analysis and development of model. It may be noted that most of the OIC Member States are located within the Equatorial Ionization Anomaly (EIA) region which is the most vulnerable part of Earth due to adverse space weather, therefore the investigation of temporal and spatial variations of the ionosphere over this geographical region is necessary for geodetic positioning, navigation, radio communication and space weather modelling and forecasting.

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