We are not quite halfway down the south wing.
Signal strength: 5 bars (occasionally drops to 4 bars, but only briefly)
speedtest.net reports: 1.02 Mbps download, 0.23 Mbps upload at the moment.
DH managed to participate in a 2-hour teleconference late morning/early afternoon using Microsoft Lync (which includes VoIP and application sharing) with no problems. It does seem a bit slower this evening.