Hi Dr.Kapitza, Yes, you are right, that recommendation should be changed as you suggest when using signed integers. I will make the correction next week. Thanks for pointing out the problem! --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: BUX-993575 Department: Support netCDF Priority: High Status: Closed