"Perhaps in the next few months you will via FTP upload your messages and they will be reproduced at your station as video and voice. Today, it is possible to include graphics and digitized voice, therefore, it is only natural to include video"
from "Beginners Guide to Amateur Radio TCP/IP" - February 19, 1990
http://www.totse.com/en/media/radio_...a/b-tcpip.html
may be relevant - may also be worth contacting some of these radio guys and finding out what they were experimenting with back then.
Hope that helps...