About this dataset: This dataset contains ionosonde data in SAO format and ionograms in PNG format, and covers data from August 01-31, 2018.About the Tromsø Ionosonde (1993-present): Since 1980, the i
This dataset was obtained from the ionogram at Kupang in 2022 to investigate the frequency window of the Near Vertical Incidence Skywave (NVIS) channel with homogenous Time of Flight (ToF) values. All