This is from a terminal window I haven't used for a couple of weeks. I snieed the "Warning power loss detected ..." from all entries but the first.
Broadcast message from root (Fri Dec 27 06:10:50 2002):
Warning power loss detected on UPS
Broadcast message from root (Tue Dec 31 07:57:41 2002): Broadcast message from root (Thu Jan 2 05:53:28 2003): Broadcast message from root (Fri Jan 3 06:09:10 2003): Broadcast message from root (Sat Jan 4 09:04:21 2003): Broadcast message from root (Sun Jan 5 22:16:01 2003): Broadcast message from root (Sun Jan 5 22:16:34 2003): Broadcast message from root (Sun Jan 5 22:17:25 2003): Broadcast message from root (Mon Jan 6 06:07:41 2003): Broadcast message from root (Mon Jan 6 06:11:16 2003): Broadcast message from root (Tue Jan 7 05:31:26 2003): Broadcast message from root (Wed Jan 8 06:11:05 2003): Broadcast message from root (Thu Jan 9 06:06:27 2003): Broadcast message from root (Sat Jan 11 08:52:25 2003):