[daip] recent change to UVCOP

[Eric Greisen]

Lorant Sjouwerman writes:

 > I think your recent change to UVCOP wans't entirely successful.
 > Now when it says 'reformatting CL table', I get zero rows 
 > instead of the original CL table - both VLA and VLBA.
 > 

Darn - a typo made it copy 30 minutes at the start (often 0) rather
than 15 minutes early to 15 minutes after the end.

Fixed including forced on our public versions here.

Eric