[Scott M. Douglas] " I get a picture and it looks OK.
What gives? Why is it working? "
if you put a scope on both ends of that cable you will see why.
its not that longer cables don't carry the signal, its about how much quality is lost over the interference and signal loss with longer cables.
run a power cord around that box and see what the output does...
gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows for the Digitally Inclined
Chicago, IL
http://library.creativecow.net/articles/adcock_gary/AJAIOHD.php