Total electron content

Total electron content
Répartition du contenu électronique total le 12 février 2011 à midi.

Le Contenu électronique total ou Total electron content (TEC) est une description quantitative de l'ionosphère terrestre. Il s'exprime en unité d'électrons présents sur un mètre carré : 1016 electrons/m² = 1 unité TEC (TECU).

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