ftp://ftp.ifremer.fr/ifremer/cersat/products/colocated/  direct

[DIR]topex-gdr/  direct
[DIR]jason1-igdr/  direct  3 twin directories
[DIR]ers2-opr2/  direct  2 twin directories
[DIR]envisat-ra2_wwv_2p_imar/  direct
[DIR]envisat-ra2_gdr_2p/  direct
[DIR]envisat-ASA_WVW_2P/  direct
[DIR]envisat-ASA_WVS_1P/  direct