https://tpm-ds.eo.esa.int/oads/data/IRS1/I1C_OPER_PAN_P___1A_19970811T110603_19970811T110603_008415_0017_0026_3R11.SIP.ZIP
https://tpm-ds.eo.esa.int/oads/data/IRS1/I1C_OPER_PAN_P___1A_19970811T110604_19970811T110604_008415_0017_0026_3R12.SIP.ZIP