On Sep 9, 2005, at 8:26 AM, Hugh Sasse wrote:

> It would seem useful to be produce a file of numerical differences
> as well.  Writing the subsequent patch program would open another
> can of worms, but difference plots definately have their worth.

That's an interesting point.  Maybe we can attract Bill's attention  
and he'll enlighten us about how NASA would use the data...

James Edward Gray II