73 Magazine ceased operation as of September 2003.
From the ARRL's Web site"
" 'After failing a last minute effort to collect on some larger accounts receivable we decided yesterday to throw in the towel--that the September issue will have to be the last,' Green told ARRL October 9. 'SK after 43 years of publishing.' "
...
" Green's October 9 statement appears to be the final word on the matter, however. It also seems to leave remaining staff members and contributing editors--freelancers--out in the cold. One columnist reports not having been paid for several months of contributions. "
http://www.arrl.org/news/stories/2003/10/10/6/?nc=1