Gareth

Not sure its the same problem but take a look here:- http://oww.sourceforge.net/usb_config.html at the " The udev System" & "Kernel Modules" section. The latter one is the "blacklisting" that deanostoy referred to.

I have always thought my device was under reporting the windspeed - and quite significantly...

Right - not an answer but a work around. I have replaced the DS9490R USB adaptor...

ps....how does owfs differ from oww as it does seem to work. Presume its not using...

Ah, thanks for the update - nice that I am not alone ...... but if you cant trace...

Interesting that you found owfs was behaving better than oww, I wonder what its doing...

Yes, same adaptor - just changed the "computer". Initially I thought the weatherstation...

Update - just installed owfs onto the box and this seems to be reading the weathervane...