Casimiro A, Azevedo J, Economou L, Haralambous H, Tulunay E, Tulunay Y, Bahadirlar Y, Türk AS, Warrington EM. HF spectrum occupancy and antennas. Ann. Geophys. [Internet]. 2009Apr.25 [cited 2024Apr.25];52(3-4):339-57. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4581