Auxiliary data files from different sources were used to help produce SAR products. These files include data not acquired by the SAR instrument itself, which was used to calibrate the SAR measurements or supported the algorithms used to produce the products.

Download auxiliary data files:

ERS-1 SAR auxiliary data files

• ER1_CON_AXVXXX20100209_000000_19910717_000000_20000310_000000
• ER1_INS_AXVXXX20110104_154739_19910717_000000_20000310_000000
• ER1_XCA_AXVXXX20100209_000000_19910717_000000_19980224_000000
• ER1_XCA_AXVXXX20100209_000000_19980224_000000_20000310_000000

ERS-2 SAR auxiliary data files

• ER2_CON_AXVXXX20100209_000000_19950421_000000_20150101_000000
• ER2_INS_AXVXXX20110104_155125_19950421_000000_20150101_000000
• ER2_XCA_AXVXXX20100209_000000_19950421_000000_19990501_000000
• ER2_XCA_AXVXXX20100209_000000_19990501_000000_20150101_000000