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

[DIR]wnos/  direct  38 twin directories
[DIR]wampes/  direct  21 twin directories
[DIR]util/  direct  59827+ twin directories
[DIR]uknos/  direct  3 twin directories
[DIR]tpp/  direct  925+ twin directories
[DIR]tnos/  direct  51 twin directories
[DIR]sys5/  direct  4 twin directories
[DIR]sun/  direct  6619+ twin directories
[DIR]rspf/  direct  10 twin directories
[DIR]pnews/  direct  138 twin directories
[DIR]pi/  direct  939+ twin directories
[DIR]pe1chl/  direct  20 twin directories
[DIR]pa2aga/  direct  3 twin directories
[DIR]pa0gri/  direct  10 twin directories
[DIR]os9/  direct  26 twin directories
[DIR]os2/  direct  7150+ twin directories
[DIR]old/  direct  49548+ twin directories
[DIR]nosview/  direct  5 twin directories
[DIR]net/  direct  42891+ twin directories
[DIR]nansi/  direct  56 twin directories
[DIR]mswin/  direct  158 twin directories
[DIR]misc/  direct  65535+ twin directories
[DIR]mailers/  direct  14 twin directories
[DIR]mac/  direct  27197+ twin directories
[DIR]ltalk/  direct  5 twin directories
[DIR]linux/  direct  31577+ twin directories
[DIR]kit/  direct  555+ twin directories
[DIR]ka9q/  direct  60 twin directories
[DIR]k5jb/  direct  12 twin directories
[DIR]jnos/  direct  19 twin directories
[DIR]iw0cnb/  direct  3 twin directories
[DIR]hrlnos/  direct  3 twin directories
[DIR]gw4pts/  direct  3 twin directories
[DIR]gtepms/  direct  3 twin directories
[DIR]gracilis/  direct  10 twin directories
[DIR]gpsnos/  direct  3 twin directories
[DIR]g1emm/  direct  3 twin directories
[DIR]g0bsx/  direct  3 twin directories
[DIR]dsp/  direct  357+ twin directories
[DIR]docs/  direct  57611+ twin directories
[DIR]crypto/  direct  16934+ twin directories
[DIR]convers/  direct  33 twin directories
[DIR]bsd/  direct  4099+ twin directories
[DIR]baycom/  direct  381+ twin directories
[DIR]amiga/  direct  12946+ twin directories