https://tpm-ds.eo.esa.int/oads/data/Radarsat-1/RS1_OPER_SAR_EL_SGF_19980804T100616_N29-917_E115-815_0000_v0101.SIP.ZIP
https://tpm-ds.eo.esa.int/oads/data/Radarsat-1/RS1_OPER_SAR_SW_SCW_19980725T221632_N30-117_E115-683_0000_v0101.SIP.ZIP
https://tpm-ds.eo.esa.int/oads/data/Radarsat-1/RS1_OPER_SAR_SW_SCW_19980807T101821_N30-250_E115-783_0000_v0101.SIP.ZIP
https://tpm-ds.eo.esa.int/oads/data/Radarsat-1/RS1_OPER_SAR_SX_SGF_19980722T220442_N29-910_E116-491_0000_v0101.SIP.ZIP