ftp://ftp.funet.fi/.m/mirrors1/ftp.ucsd.edu/hamradio/packet/tcpip/  direct

[DIR]wnos/  direct  35 twin directories
[DIR]wampes/  direct  18 twin directories
[DIR]util/  direct  53283+ twin directories
[DIR]uknos/  direct
[DIR]tpp/  direct  851+ twin directories
[DIR]tnos/  direct  46 twin directories
[DIR]sys5/  direct  2 twin directories
[DIR]sun/  direct  6132+ twin directories
[DIR]rspf/  direct  8 twin directories
[DIR]pnews/  direct  126 twin directories
[DIR]pi/  direct  898+ twin directories
[DIR]pe1chl/  direct  17 twin directories
[DIR]pa2aga/  direct
[DIR]pa0gri/  direct  7 twin directories
[DIR]os9/  direct  22 twin directories
[DIR]os2/  direct  6496+ twin directories
[DIR]old/  direct  46698+ twin directories
[DIR]nosview/  direct  3 twin directories
[DIR]net/  direct  39510+ twin directories
[DIR]nansi/  direct  53 twin directories
[DIR]mswin/  direct  144 twin directories
[DIR]misc/  direct  65535+ twin directories
[DIR]mailers/  direct  11 twin directories
[DIR]mac/  direct  23806+ twin directories
[DIR]ltalk/  direct  3 twin directories
[DIR]linux/  direct  27733+ twin directories
[DIR]kit/  direct  542+ twin directories
[DIR]ka9q/  direct  54 twin directories
[DIR]k5jb/  direct  9 twin directories
[DIR]jnos/  direct  16 twin directories
[DIR]iw0cnb/  direct
[DIR]hrlnos/  direct
[DIR]gw4pts/  direct
[DIR]gtepms/  direct
[DIR]gracilis/  direct  7 twin directories
[DIR]gpsnos/  direct
[DIR]g1emm/  direct
[DIR]g0bsx/  direct
[DIR]dsp/  direct  346+ twin directories
[DIR]docs/  direct  55274+ twin directories
[DIR]crypto/  direct  16043+ twin directories
[DIR]convers/  direct  29 twin directories
[DIR]bsd/  direct  3656+ twin directories
[DIR]baycom/  direct  350+ twin directories
[DIR]amiga/  direct  12031+ twin directories