Dear Users, Is any body using potential temperature through ferret?? Cheers, Yogesh -- Max-Planck Institute for Biogeochemistry Postfach 100164, D-07701 Jena, Germany Street Address: Winzerlaer Strasse 10 D-07745 Jena Office : + 49 (0)3641 576376 Fax : + 49 (0)3641 577300 Home : + 49 (0)3641 235748 email : yogesh.tiwari@bgc-jena.mpg.de