https://tpm-ds.eo.esa.int/oads/data/Seasat/SE1_OPER_SEA_GEC_1P_19780820T214026_19780820T214040_000785_0056_2603_4B3F.ZIP
https://tpm-ds.eo.esa.int/oads/data/Seasat/SE1_OPER_SEA_SLC_1P_19780820T214026_19780820T214040_000785_0056_2603_6DF8.ZIP
https://tpm-ds.eo.esa.int/oads/data/Seasat/SE1_OPER_SEA_PRI_1P_19780820T214026_19780820T214040_000785_0056_2603_687D.ZIP