Yearly tables of Juliusruh / JR055 ionosonde data
incl: fmin, foE, h'E, Es-Type, foEs, fbEs, h'Es, h'F, foF1, M3000F1, h'F2, foF2, M3000F2
(Click on link to download pkziped data in IIWG format)

2024
2023
2022
2021
2020