SAC FTP-server is mirrored at following FTP-sites:

ftp.vse.cz in /pub/msdos/SAC/pc - Prague, Czech Republic
ftp-beer.bke.hu in /vol1/pub/sac/pc - Budapest, Hungary
ftp.cs.tu-berlin.de in /pub/msdos/mirrors/ftp.elf.stuba.sk/pc -	Berlin, Germany
ftp.pwr.wroc.pl in /pub/pc/sac - Wroclaw, Poland
192.217.228.45 in /SAC - USA (try also WWW access at http://192.217.228.45/SAC) 
ftp.tuke.sk in /pub/mirror/SAC/pc/avir - Kosice, Slovakia (AVIR directory only)
makosteszta.sote.hu in /pub/avir - Hungary (AVIR directory only)
ftp-tem.nctu.edu.tw in /incoming - Taiwan (news from basic directories only)
nov1.kar.elf.stuba.sk in /avir and /pack - local server (basic utils only)