[ Found on http://www.datapipe-blackbeltsystems.com/amiga.html - following ]
[ information was copied from said URL                                     ]

The AVT is software for HAM radio and SWL listeners who wish to work with SSTV
and FAX images. It also requires specific hardware, the AVT system from AEA.
Very specialized; if you don't know what it is, you're probably not going to be
interested.

You are free to use, and re-distribute, this software without charge or
obligation.

NOTE: Please be aware that we do not offer any support for this software;
it is provided strictly on an as-is basis