https://tpm-ds.eo.esa.int/oads/data/IKONOS2/IK2_OPER_OSA_GEO_1P_20060718T121000_N54-000_W008-608_0001.SIP.ZIP https://tpm-ds.eo.esa.int/oads/data/IKONOS2/IK2_OPER_OSA_GEO_1P_20080515T120500_N53-915_W008-488_0001.SIP.ZIP