2.3.1 spase://SMWG/Instrument/SRN/NDA/Routine Routine 2021-06-02T22:16:00Z Nancay Decameter Array (NDA) Routine instrument. spase://SMWG/Person/Laurent.Lamy GeneralContact spase://SMWG/Person/Alexandre.Le.Gall TechnicalContact spase://SMWG/Person/Baptiste.Cecconi MetadataContact SpectralPowerReceiver Nancay Decameter Array 1990-09-18T00:00:00.000Z spase://SMWG/Observatory/SRN/NDA