https://tpm-ds.eo.esa.int/oads/data/Seasat/SE1_OPER_SEA_GEC_1P_19780821T071853_19780821T071858_000791_0062_0810_F5C7.ZIP https://tpm-ds.eo.esa.int/oads/data/Seasat/SE1_OPER_SEA_SLC_1P_19780821T071853_19780821T071858_000791_0062_0810_EE2B.ZIP https://tpm-ds.eo.esa.int/oads/data/Seasat/SE1_OPER_SEA_PRI_1P_19780821T071853_19780821T071858_000791_0062_0810_1321.ZIP