Twin directories of callbook:

[DIR]  ftp://ftp.qrz.ru/pub/hamradio/callbook/
[DIR]  ftp://ftp.radio.org.pl/callbook/
[DIR]  ftp://ftp.hamsk.ru/pub/hamsoft/callbook/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/ftp.ucsd.edu/hamradio/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/pc/windows/winnt/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/pc/windows/winnt50/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/pc/windows/win98/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/pub/pc/windows/winnt50/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/pc/windows/win3xx/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/pc/windows/win95/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/pub/pc/windows/win98/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/pc/os2/os2_warp/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/mac/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/pub/pc/os2/os2_2x/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/pc/msdos/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/pc/os2/os2_2x/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/pub/pc/windows/win95/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.2/pub/amiga/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.0/pub/amiga/ham_radio/station/callbook/
[DIR]  ftp://ftp.volftp.tiscali.it/.snapshot/nightly.0/pub/mac/ham_radio/station/callbook/
[DIR]  ftp://web.qrz.ru/pub/hamradio/callbook/
[DIR]  ftp://nic.funet.fi/.m/mirrors1/ftp.ucsd.edu/hamradio/callbook/
[DIR]  ftp://ftp.ucsd.edu/hamradio/callbook/