Sentence examples for reflection from the ionosphere from inspiring English sources

This is particularly true when propagation depends on reflection from the ionosphere as it does for shortwaves.

An infrasonic wave produces variations of plasma concentration in the ionosphere and VLF wave coefficient of reflection from the ionosphere.

Broadcasting planned to serve distant areas, employing shortwaves and depending on reflection from the ionosphere, normally uses a relatively narrow beam of energy projected skyward at an angle from 5° to 10° to the horizontal.

Radio technology, transmission and detection of communication signals consisting of electromagnetic waves that travel through the air in a straight line or by reflection from the ionosphere or from a communications satellite.

We do not consider the case of total reflection from the ionosphere, except where it complicates partial reflection radar measurements of the neutral atmosphere.

This has resulted from its evolution from its original application to total reflection from the ionosphere, and the elementary analyses applied to the original experiments, largely because of computational limitations.

The uncertainty can be considerably increased, however, if the direction of the radio waves is altered by reflections from the ionosphere or refraction in the atmosphere.

It should be pointed out that due to equatorial spread F (ESF) in the first storm (December 2006) and no-reflections from the ionosphere during nighttime in the second storm (July 2009), we had virtually daytime data from the two ionosondes.

Spread-Fs can manifest as frequency spread-Fs (FSF) that are broadened traces that mark reflections from the ionosphere along the frequency axis, or as range spread-Fs (RSF) that are along the vertical height axis.

This particular argument had previously been used for MF/HF SA radars using total reflections from the ionosphere and the similar fades technique, where it could be valid (see e.g., Hines and Rhagava Rao 1968).

This means that the same conclusions that apply to simple IDI in the MLT, namely that similar-fade apparent velocities correspond to the case for which changes in the backscatter, or equivalently, in the ground diffraction pattern over time, are not adequately accounted for, apply to the case of total reflections from the ionosphere.