Twin directories of release2.22:

[DIR]  ftp://ftp.lantz.com/tnos/release2.22/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/ftp.ucsd.edu/hamradio/packet/tcpip/tnos/release2.22/
[DIR]  ftp://nic.funet.fi/.m/mirrors1/ftp.ucsd.edu/hamradio/packet/tcpip/tnos/release2.22/
[DIR]  ftp://ftp.ucsd.edu/hamradio/packet/tcpip/tnos/release2.22/