geomagnetic equator

The imaginary great circle on the earth's surface formed by the intersection of a plane passing through the earth's center perpendicular to the axis connecting the north and south magnetic poles.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

References in periodicals archive ?

Moreover, daytime F region frequencies do not peak at the geomagnetic equator, but 15deg to 20deg north and south of it.

Additionally, during the night, frequencies reach a minimum of approximately 60deg latitude north and south of the geomagnetic equator, and this is named the mid-latitude trough [11].

A STUDY OF THE SEASONAL VARIATION OF IONOSPHERIC ELECTRON DENSITY OVER BAGHDAD (A CASE STUDY)

At the geomagnetic equator, particles with energy greater than 50 MeV are encountered at altitudes up to 1.5 earth radii (Fig.