<https://www.electro-said.com/2021/03/amc-4-at-670w-new-sat-freq-update.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.electro-said.com/2021/03/amc-4-at-670w-new-sat-freq-update.html>