<https://frsky-forum.cz/viewtopic.php?f=22&amp;p=4582003062d9039c8a06ca1ed84ee283e1c3>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://frsky-forum.cz/viewtopic.php?f=22&p=4582&sid=003062d9039c8a06ca1ed84ee283e1c3>