2.3.1 spase://SMWG/Observatory/SRN/ORFEES ORFEES 2020-07-01T13:41:00Z ORFEES (Observation Radio Fréquences pour l'Etudes des Eruptions Solaires) is a 5 m diameter antenna dedicated to space weather, the prediction of solar eruptions. This radiospectrometer observes the solar corona on a daily basis between 130 MHz and 1 GHz, allowing to track radio frequency emissions from the Sun in near real-time, thus monitoring its activity. spase://SMWG/Person/Ludwig.Klein GeneralContact https://www.obs-nancay.fr/orfees/ fr spase://SMWG/Observatory/SRN Earth.Surface GEO 47.381494 2.195179 139 2013-01-01T00:00:00.000Z