• ZAHID AHMAD KUMAR

The paper describes results of the studies referred to the solar activity impact on the low, mid and high latitude ionosphere. The sun activity governs the interaction of magnetosphere with solar wind and Earth’s magnetic field, this influence of magnetosphere is called Geomagnetic storm. The main point to study Geomagnetic storm is used to understand the current passing through the ionosphere. We have used ionospheric data at Low, mid and high latitude station. The absorption and ionization of the ionospheric medium depends on solar activity. The value of foF2 increased from their normal value at all the three latitudes. This is due to geomagnetic storms that occurred around the same time. A very interesting feature that can be seen in the figures is that the increase of foF2 at Low latitude is much more intense as compare to high and mid latitude. Comparison among all the latitudes shows that the values of foF2 at high latitude are quite less as compared to low and mid latitude. We have found that the effect of solar and geomagnetic storm disturbances is strongest at the low latitude and weakest at the high latitude during the geomagnetic storm time.

Geomagnetic Storm, Solar activity, frequency, Ionosphere, Ionization.

"impact of solar activity on ionosphere", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 1, page no.432-437, January-2019, Available :http://www.jetir.org/papers/JETIR1901655.pdf

"impact of solar activity on ionosphere", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 1, page no. pp432-437, January-2019, Available at : http://www.jetir.org/papers/JETIR1901655.pdf