The FIM published the supplementary regulations
http://amk.nepomuk.cz/
Route to Kramolin in Google maps: http://goo.gl/maps/Z05IU
Website from the organiser: GP4 - Kramolin, CZ - info and more
Moderators: Chris Helm, Rien.nl
Re: GP4 - Kramolin, CZ - info and more
I don`t know if livetiming is available, but all results (begining with free practice) under:
http://www.casomeric.cz/vysl.php?&lang=&view=1570
http://www.casomeric.cz/vysl.php?&lang=&view=1570