Index of /sp_phys/data/isis/ionogram_cdf/isis2/RES_75N_265E/1973/118
i2_av_res_1973118055813_v01.cdf
i2_av_res_1973118055815_v01.cdf
i2_av_res_1973118055954_v01.cdf
i2_av_res_1973118055955_v01.cdf