About: http://webisa.webdatacommons.org/298637482

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	Regular TV has a bandwidth of 6Mhz and transmits 30 frames per second, SSTV via HF is 3KHz....Now, using various forms of encryption you can put a lot into a single frame of a picture... cf.
http://www.w3.org/ns/prov#wasQuotedFrom	emergency-preps.com