geomagnetic equator


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geomagnetic equator

n.
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.
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].
At the geomagnetic equator, particles with energy greater than 50 MeV are encountered at altitudes up to 1.