Index of /sp_phys/data/isis/ionogram_cdf/isis2/RES_75N_265E/1972/357
i2_av_res_1972357101313_v01.cdf
i2_av_res_1972357101443_v01.cdf
i2_av_res_1972357101614_v01.cdf
i2_av_res_1972357174626_v01.cdf