On Mar 27, 2007, at 2:26 PM, Bill Borgstrom wrote: > The following link appears to be dead. > > http://www.cnunix.com/ftp/hamradio/tapr/aprssig/aprsspec/aprstcp/ > Please help me get a copy of validation.c > Your emailer did not follow the link, the two lines need to be concatenated in the URL