Casimiro, AntónioAzevedo, JoaquimEconomou, LefterisHaralambous, HarisTulunay, ErsinTulunay, YurdanurBahadirlar, YildirimTürk, A. SerdarWarrington, E. Michael2019-10-182019-10-182009Casimiro, A., Azevedo, J., Economou, L., Haralambous, H., Tulunay, E., Tulunay, Y., ... & Warrington, E. M. (2009). HF spectrum occupancy and antennas. Annals of Geophysics, 52(3-4), 339-357.http://hdl.handle.net/10400.13/2564This paper deals with the research made during the COST 296 action in the WG2, WP 2.3 in the antennas and HF spectrum management fields, focusing the Mitigation of Ionospheric Effects on Radio Systems as the subject of this COST action.engAntenna analysisAntenna synthesisFourier relationSpectrum management.Faculdade de Ciências Exatas e da Engenhariajournal article