TY - GEN AU - Gilli,Lorenzo AU - Sciacca,Umberto AU - Zuccheretti,Enrico TI - Calibrating an Ionosonde for Ionospheric Attenuation Measurements SN - 1424-8220 PY - 2018///0518 N1 - Publication Type: Journal Article UR - https://doi.org/10.3390/s18051564 ER -