Index of /sp_phys/data/isis/ionogram_cdf/isis2/RES_75N_265E/1973/031
i2_av_res_1973031000954_v01.cdf
i2_av_res_1973031001008_v01.cdf
i2_av_res_1973031023737_v01.cdf
i2_av_res_1973031042017_v01.cdf
i2_av_res_1973031194306_v01.cdf
i2_av_res_1973031222137_v01.cdf