: L1.sl.L2.sl.L3http://def.isotc211.org/iso19116/2004/PositioningServiceModel/code/PS_FrequencyList/ Create a prefix for http://def.isotc211.org/iso19116/2004/PositioningServiceModel/code/PS_FrequencyList/ Hit Enter to save Double click to create a prefix | : PS_FrequencyListhttp://def.isotc211.org/iso19116/2004/PositioningServiceModel# Create a prefix for http://def.isotc211.org/iso19116/2004/PositioningServiceModel# Hit Enter to save Double click to create a prefix | graph:default |