Hard to tell from your photo, and even from your SPOT, but you may have been even closer on BK than you thought: a check of your photo down to Big Arroyo against the same angle in Google Earth shows you were very close to
Secor's West Ridge route.You were probably on the peak just above the notch where the route meets the ridge.
Great adventure: looking forward to the Pants Pass episode, and especially your climb into the clouds on the MR.