1) The hole and its interior are dusty, musty, and all-around old. The systems are slightly out-of-date compared to the rest of Anchor's surveillance. The footage gets corrupted the older it is, and cuts out entirely about five years previous, though there are a few files tucked away that are almost entirely corrupted. If salvaged, they won't show any footage, but they will indicate that they were saved or altered over fifty years ago. An audit of the station's power usage will show that the surveillance station only recently started being used again. The anomalous power usage began shortly after some individuals encountered Creepy Joe out in the wasteland.

2.1) The cameras broadcast remotely, with technology advanced enough not to need a wireless repeater. The cameras themselves were hidden manually in the recorded rooms.

2.2) No, no, no, and no.

2.3) Nope.