Hi Lennard Search "Bee Gadgets" for "APIDICTOR" Threre is also some incomplete "modernisation" of the apidictor on:- http://website.lineone.net/~dave.cushman/apidictor.html Regards From:- Dave Cushman, G8MZY Beekeeping and Bee Breeding, http://website.lineone.net/~dave.cushman IBList Archives, http://website.lineone.net/~d.cushman