Contents: Preface. I. Solid earth geophysics: 1. Near earth satellite magnetic surveys/R.A. Langel. 2. Spectral statistical spatial analysis of geomagnetic field variations/N.M. Rotonova. 3. Thin sheet modelling and its application to geo-electromagnetic induction in the Indian peninsula by electrojet and uniform sources/J.T. Weaver. 4. Magnetostratigraphy of the Deccan Lavas, south of the Narmada river/R. Dhandapani and K.V. Subba Rao. 5. Geopotential studies over Iranian plateau/N. Basavaiah, Mita Rajaram, M.N. Qureshy and Kazem Rangzan. 6. Cross over analysis of magnetic data over the Colombian basin, western Caribbean sea/N. Ghosh and S.A. Hall. 7. An assessment of the nature of the crust under the Himalayan collision zone through gravity studies/Ch. Sivaji, B.R. Arora and M.N. Qureshy. 8. Application of joint inversion technique to deep resistivity and magnetotelluric sounding data in Northumberland basin, northern England/T. Harinarayana. 9. A narrow conductive zone south of the main central thrust of the Garhwal Himalaya/C.D. Reddy and B.R. Arora. 10. 3-D induction models for the Gulfs of Cambay and Kutch: DAWSON-WEAVER approach/K. Veeraswamy. 11. Upper mantle electrical conductivity distribution beneath the Indian subcontinent using geomagnetic storm time variations/E. Chandrasekhar and B.R. Arora. 12. Rock magnetic studies for selection of basalts for palaeomagnetism/C. Radhakrishnamurty.

II. Observatories, data analysis and instrumentation: 1. Magnetometry for geomagnetic observations/G.K. Rangarajan. 2. Advances in modern geomagnetic observatory and repeat station instruments and practice/V.K. Nagar. 3. Effects of ring current and solar wind dynamic pressure on the magnetic field at geosynchronous orbit/T Araki. 4. The features of Sq(Y) variation in middle and low latitudes/Yufen Gao. 5. Measurement of vertical component 'Z' of earth's magnetic field in equatorial regions/R.N. Maurya and R.V. Iyengar. 6. Three channel PC/XT/AT based data logger/Annieamma George. 7. Geomagnetic pulsations (PC3-PC4) recording system: hardware and software/R.S. Udare. 8. A comparison of secular variation in the Indian region with world-wide trends/Nandini Nagarajan. 9. Complexities in the variation of declination component (D) of the geomagnetic field in the Indian region/S. Alex, L. Jadhav and D.R.K. Rao.

III. Upper atmospheric physics: 1. Sun causing primary planetary effects/R.N. Singh. 2. Some theoretical concepts of magnetospheric substorms/G.S. Lakhina. 3. The relationships between low-latitude ULF waves and those detected at higher latitudes in the earth's magnetosphere/David Orr. 4. Geomagnetic PC3 and PC4 pulsations at low latitudes/D.R.K. Rao. 5. Solar wind and geomagnetic activity/Hari Om Vats. 6. Dynamics of localised solitary waves and double layers on auroral field lines/R.V. Reddy and G.S. Lakhina. 7. Some properties of low latitude PC-5 pulsations and their relationship with the magnetosphere/M. Roy. 8. Equatorial electrojet and the lonospheric drifts at low latitudes/H. Chandra and G.D. Vyas. 9. Role of vertical electric field and neutral winds in the formation of blanketing type of sporadic E layer over Thumba/S.P. Gupta and H. Chandra. 10. E and F region electric fields on a counter electrojet day/K.S. Viswanathan, R. Balachandran Nair and P.B. Rao. 11. Geomagnetic storm effect on lonospheric electron content at low latitudes/S.K. Vijay, Sushil Kumar and A.K. Gwal. 12. Effect of geomagnetic activity on lonospheric scintillations over Kolhapur, Maharashtra/Smrutika Patil, C.S. Shalgaonkar, R.V. Bhonsle and P.T. Patil.

IV. Allied aspects: 1. Themata and Anathemata in signal processing/P.S. Moharir. 2. Control of geomagnetic pulsations on higher order brain functions and mentation processes in brain-mind complex of man/P.V. Sanker Narayan. 3. Computer simulation of cosmic ray trajectories in the near earth space/R.K. Singh and M.N. Vahia. 4. Thundercloud electric fields and charge particle precipitation/R.P. Singh. 5. Geomagnetic behaviour of low latitude F-region variability over a solar cycle/S. Shastri and S. Aggarwal.

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