[daip] signal 11 abort during CALIB

[Eric Greisen]

Andy Biggs wrote:
> Hi Eric. As I partially suspected, flagging the data with the ridiculous w coordinates has also fixed the gridded subtraction problem. At least, I'm just running a PEELR and the UVSUB within that has worked fine.

wonderful - I hesitate to suggest UVFIX for everything but that would 
have killed the odd w value also.  With multi facet the u,v,w are 
rotated by a 3x3 matrix multiply so the bad w gets in where it really 
matters....

Thanks

Eric