The first of these is the variable, non-rectilinear propagation of metric and centimetric waves through the lower atmosphere, the range of such waves over the earth's surface often far exceeding ...

BRITISH The Scientific Proceedings of the Royal Dublin Society. Vol. 91 (N.8.), No. 21: The Effect of Strong Magnetic and Electric Fields on the Rectilinear Propagation of 7 Bays. By Dr. J. H. J ...