Digital Processing of Weather Radar Data at the Department of Meteorology, University of Helsinki

Lauri A. Vuorela and Timo Puhakka

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The Åland Sea, Its Surface Topography and Stationary Currents

Ilmo Hela

PDF (1.5 MB)

Variations in the Geomagnetic Field and Auroral-Zone X-Ray Intensity in the Pi 1 Period Range

T. Nygrén, J. Niskanen, L. Lukkari, J. Kangas, M. Kivinen and R. R. Heacock

PDF (1.1 MB)

Determination on Th- And U-Abundances in Rocks by Gamma-Ray Spectroscopy

P. Holmberg and R. Rieppo

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Heat Flow from Water to Ice

S. Uusitalo

PDF (497 kB)

Visco-Elastic Strain Caused by a Monotonously Increasing Stress

I. Sala

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Digital 12-Bit C-MOS Telemetering System for Seismological use

Seppo Nurminen

PDF (954 kB)

Micropower Digital Crystal Clock for Field Use

Seppo Nurminen

PDF (684 kB)

Zum Gedenken an Hans Ertel

W. Schröder

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