Data Analysis Of Near Vertical Incidence Skywave (NVIS) Propagation In Pekanbaru

Sutoyo Sutoyo, Dony Hendra, Varulintor Dear, Muhammad Isnaini Hadiyul Umam, Dedi Irawan, Muhammad Rizki, Muhammad Luthfi Hamzah

Abstract


Solar activity has a major influence on the condition of the ionosphere layer which causes the characteristics of the ionosphere layer to change every time. This will certainly have an impact on the success of HF radio communication which is very dependent on the ionosphere layer. One of the impacts of solar activity is the variation in the ionosphere layer which has an 11-year cycle phase causing changes in the value of foF2. This study aims to analyze the measurement data of the ionospheric layer (ionosonda) to see the effect of the half cycle of solar activity for the period 2010 to 2015 which can be used for the Pekanbaru area, Indonesia with Near Vertical Incidence Skywave (NVIS) propagation mode. The results of the study indicate that there are differences in the use of working frequencies for each year that can be used between 2 MHz to 10 MHz, with the right communication time at 08.00 UTC+7 to 22.00 UTC+7. The change in the highest frequency value is caused by positive storms and negative storms that occur in the ionosphere layer which will interfere with high frequency radio communications and satellite-based navigation.


Keywords


Solar activity; NVIS; HF Radio; Ionosonda

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References


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