The ionosonde measurements made at Waltair (20°N dip) during the solar eclipse of 24th October 1995 showed significant decreases in both the critical frequency and the height of the F-layer during the eclipse. Also, significant oscillatory variations were observed in h'F and f0F 2 during the course of the eclipse. When compared with the control days, f0F2 and f0F1 fell by about 15% and as much as 50%, respectively, on the eclipse day.The spectral components derived from the quasi-periodic variations ob served in f0F2 and h'F over Waltair (81 % obscuration) clearly showed the presence of an additional 30-minute component on the eclipse day, which was not present on the control days, indicating that the waves are observed away from the, totality path.
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