OK, OK, now I had to take a look. Here you go: http://paulcooijmans.lunarpages.com/org/giga.html

I am definitely NOT eligible for membership.

In all seriousness, if you follow through on the links, you will see that they distinguish between childhood and adult level IQ tests. They are clearly interested only in the latter, as they believe the childhood tests (they refer to SB) can't measure the highest level IQs - which is what so many of you have said in your various conversations on this board.