1hr Tunnel - Which MA to base the Fibs on

I read Vegas's document on the 1hr tunnel, and only one thing is not clear for me. When setting up the Fibs for the 1hr method, Vegas says :

When a market hits a fib number from the current ema's, it is telling you that here is a natural stopping point, please take some profits off the table.

OK, cool, and when I look at the indicator for the 1hr method, the Fibs are based on the EMA 169 (for the fibs about and below the tunnel). My question is that the actual tunnel is based on two EMAs (144 and 169). Why was 169 chosen to base all the Fibs off of? Not saying it is wrong, I just want to be able to completely understand (if possible) what the Fibs above and below the tunnel should be based on. I assume it should be 144 or 169, but I am not clear.

Good question. I think what some people where doing is basing the fib levels of the mean of 144 + 169. To tell you the truth, however, I do not think it makes that big of a difference. I use metatrader and I don't know how to base the fibs off of the mean so I just use the 169. Or plot them both and see how different they are.

Any other suggestions?

I know I've seen this discussed before but can't find the link

Thanks for the quick reply