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Antenne parabolique Two-way (deux voies) utilisée pour le transfert de temps, observée de nuit, sur le plateau de Calern, à l'observatoire de la Côte d'Azur. La méthode Two-Way time transfer est de réaliser des comparaisons actives d’horloges par liaisons radiofréquences sur certains satellites de télécommunications.
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