https://tpm-ds.eo.esa.int/oads/data/IKONOS2/IK2_OPER_OSA_GEO_1P_20001225T085500_N39-944_E027-035_0001.SIP.ZIP
https://tpm-ds.eo.esa.int/oads/data/IKONOS2/IK2_OPER_OSA_GEO_1P_20001225T085500_N39-823_E027-036_0001.SIP.ZIP