bufrtables mailing list is no longer active. The list archives are made available for historical reasons.
I think it should be changed back to 12 bits as an obvious typo. Although I do see John's point that people may have started using this 13 bit value I draw your attention to note 4 under class 22 which says that 0-22-040 should be used instead of 0-22-039. Stan Stanley Kellett BSc(Open), Dipcomp (open), DipIT(Open), Software Engineer, Infrastructure Development, Technology, Eddystone 1 W064, Met Office Fitzroy Road Exeter Devon EX1 3PB United Kingdom, Tel: +44 (0)1392 886675, Fax: +44 (0)870 900 5050, Home Working Tel: +44 (0)1752-343-151 E-mail: Stanley.Kellett@xxxxxxxxxxxxxxxx http://www.metoffice.gov.uk Met Office climate change predictions can now be viewed on Google Earth http://www.metoffice.gov.uk/research/hadleycentre/google/