On Sun, Nov 30, 2014 at 05:43:05PM +1100, Dave Horsfall wrote: > > http://minnie.tuhs.org/cgi-bin/utree.pl?file=AUSAM/sys/dmr/dz.c > That's the one! Bless you :-) There seems to be an earlier one here at http://minnie.tuhs.org/cgi-bin/utree.pl?file=AUSAM/sys/dmr/dz.c-elec Cheers, Warren