https://www.youtube.com/watch?v=hXKKYEUnkSU
Vallee discusses his personal training and experience with remote viewing.
There’s also reference to an article he wrote “Remote Viewing and Computer Communication — An Experiment” (1998, Journal of Scientific Exploration):
https://www.semanticscholar.org/paper/Remote-Viewing-and-Computer-Communications–An-Vallee/f6735e32de33a753b8c8c457942d151c016cabec
by bretonic23