If you use Google earth to measure the distance from the spotting location to the 09L TDZ it gives 3800 feet. Assuming a 3 degree glideslope a bit of trigonometry gives 190 feet above the ground as they pass over the spotting location. (and assuming that the spotting site is the same elevation as the TDZ)
Obviously some aircraft land a little longer and some, fewer, a little shorter but 744,77E or 380 look pretty darn big at that height