If you are transmitting back at 42dbmv then that's all great. Not sure why you are still getting lag though

.
Wish I could find my proxy list.. I am afraid I am a little lost as to what else I suggest you try I am sorry. *Kicking myself* If I had my list I could have asked you to try a different proxy and see if that helps. I am sorry I am at an impass now. Just hope one of the other forum members may be able to take you the next step