We are cavers from Moravian Karst (Czech republic), members Czech speleological society, basic unit 6-25 Pusty zleb. We participate in speleological exploration in north part of Moravian karst, we take part in surveying in New Amateur Cave, where we use miscellaneous special measuring devices, same of them are described in these www pages.

Since 1998 we are also members of austrian speleological club Verein für Höhlenkunde in Obersteier Bad Mitterndorf und we partake yearly in speleological expedition in Totesgebirge, where we use our equipment KOMBI for surveying of newly discovered caves.

Our measuring devices KOMBI family are applied for map documentation production by the speleological expeditions in Austria, Slovenia, Romania...