1. Department of Applied PhysicsUniversity of Granada, SE-18071, Granada, Spain
2. Andalusian Institute for Earth System Research (IISTA)University of Granada, SE-18006, Granada, Spain
3. Earth System Research LaboratoryNOAA, CO 80305, Boulder, USA
4. Department of Applied PhysicsIMARENAB, University of León, SE-24071, León, Spain
5. Atmospheric Research and Instrumentation BranchINTA,SE-28850, Madrid, Spain