WASHINGTON, August 31, 2021 -- As electronic devices decrease in size, their component parts, like speakers, need to shrink as well. In JASA Express Letters, published by the Acoustical Society of ...

Formulae are derived for calculating the field strength distribution for the types of broadside array normally used for short wave broadcasting, namely arrays consisting of rows of colinear half-wave ...

An introduction to properties of individual antennas and arrays of antennas. Retarded potentials, dipoles of arbitrary length, radiation pattern, gain, directivity, radiation resistance. The loop ...

THE propagation of short radio-waves from England to New York has been found to involve many anomalous effects. Studies have been made of transmissions from Rugby, directed toward New York, and of ...