About: http://webisa.webdatacommons.org/84965768

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	In the NTSC color television signal, the spectral energy of the luminance (Y) signal is essentially centered at harmonics of the line scanning frequency Fh ; i.e., nFh, where n is a integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au