No I think he's saying the Greater Ark could be in the Galaxy that the Master Chief finds himself in. However didn't the Greater Ark produce the original Halos, the ones that were bigger in diameter than the ones seen today? If it did recreate Installation 10 then it would be bigger than a normal Halo
Edit: I tried to snapshot the binary and decode it online but it couldn't read it. I don't think the binary means anything I think it's like the matrix where it's just a bunch of random numbers running across the screen.