REFERENCES
- J.A. Klobuchar & G.S. Hawkins, Effects of the ionosphere and space systems and communications, NRL. Washington DC, pp 421, 1975.
- R.B. Bent, S.K. Llewellyn, G. Nesterczerk & R.E. Schimd, Effects of the ionosphere on space systems and communications, NRL, Washington DC, p 13, 1975.
- R.E. Anderson, Effects of the ionosphere on space systems and communications, NRL, Washington DC, pp 411, 1975.
- J.N. Bhar, S. Basu, A, Dasgupta, B.K. Guhatakurta & G.N. Bhattacharya, Scientific report on investigations on ionospheric electron content and electron density irregularities at low latitudes with geostationary satellites, Calcutta, 1976.
- J.E. Titheridge, Continuous recording of the total electron content of the ionosphere, J Atmos Terr Phys, vol 28, p 1135, 1966.
- R.F. Donnelly, K. Davies & D.N. Anderson, The equatorial total electron content and shape factor, MS No. IPA-79-01, 1979.
- J.E. Titheridge, The total electron content of the southern mid-latitude ionosphere, J Atmos Terr Phys, vol 35, p 981, 1973.