About: http://webisa.webdatacommons.org/36715326

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Without a doubt on my part, they are probably hams for the most part who are immersed so deeply into the hobby that they do not need to buy systems; they can assemble whatever's required from their own resources.
http://www.w3.org/ns/prov#wasQuotedFrom	setileague.org