https://landsat-diss.eo.esa.int/oads/data/LandsatETMCloudFree/L07_RFUI_ETM_GTC_1P_20000726T092635_20000726T092703_006812_0188_0033_AD32_v0100.SIP.ZIP
https://landsat-diss.eo.esa.int/oads/data/LandsatETMCloudFree/L07_RNSG_ETM_GTC_1P_20000726T092635_20000726T092703_006812_0188_0033_9751_v0100.SIP.ZIP