pds:logical_identifier<1>
pds:version_id<1>
pds:title<1>
pds:information_model_version<1>
pds:Product_Observational/pds:Observing_System<1>/pds:name<1>
pds:Product_Observational/pds:Observing_System<1>/pds:Observing_System_Component<1>/pds:name<1>
pds:type<1>
pds:lid_reference<1>
pds:reference_type<1>
