While it certainly wouldn't be a shock to anyone that the new online-only version of KUSF would fail to reach the audience that listened to the terrestrial station at 90.3 FM until it abruptly signed off on January 18 to make way for the relocation of KDFC, I have no idea how SF Weekly obtained this information. They claim that a maximum of fifteen listeners are tuning into KUSF's week-old Internet stream:
http://blogs.sfweekly.com/thesnitch/2011/01/kusf_now_only_has_15_listeners.php
http://blogs.sfweekly.com/thesnitch/2011/01/kusf_now_only_has_15_listeners.php