Effect of Solar X-ray Flares on VLF Radio Wave Signal Strength at 19.8 and 24 kHz Received at Khatav (India) (16°46'N, 75°53'E)

Abstract

The period from August 2009 to July 2012 was an important period as 2009–10 was solar minimum period, and solar cycle was extended by 16 months during this period. In this period, solar activity like solar X-ray flares, solar wind, coronal mass ejections were at minimum level. In this research, it is focused on detailed study of response of signal strength of VLF radio waves transmitted by VLF station NWC Australia (19.8 kHz) and VLF station NAA, America (24 kHz) to the solar flares. This study explores how the ionosphere and VLF radio waves react to the solar flares. In case of NWC (19.8 kHz), the signal strength recording shows very nice SID peaks. In case of VLF signal transmitted by NAA at 24 kHz, the average SID peaks are observed. The two frequencies signals are recorded for four years.

Keywords: VLF signal strength, solar flares, sudden ionospheric disturbance, signal perturbation solar flare intensity

Cite this Article

A.K. Sharma, C. T. More. Effect of Solar X-ray Flares on VLF Radio Wave Signal Strength at 19.8 and 24 kHz Received at Khatav (India) (16°46'N, 75°53'E). Research & Reviews: Journal of Space Science & Technology. 2017; 6(3):        15–34p.