Stephen noticed something peculiar in some spectra I sent him which led me to discover what looks like a problem in the status tables.

The following plot shows the status of every tower versus time (as measured by status tables) (status == 1 towers are suppressed).

Figure 1:

When you zoom in (see next plot), you see that there is a one channel shift in the tower that was bad.The shift corresponds to the table that starts at 2008-02-21 00:47:27.

Figure 2:

Here's a zoom in on the red region:

Figure 3: