Matches in DBpedia 2014 for { ?s ?p KOPB-TV is a public television station serving the Portland, Oregon television market. It is owned and operated by Oregon Public Broadcasting. It broadcasts its digital signal on VHF channel 10.KOPB-TV originally signed on the air as KOAP-TV, on February 6, 1961. The call sign letters stood for "Oregon Air Portland", preceded by the K prefix the Federal Communications Commission uses when assigning call signs for stations west of the Mississippi River.. }
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- KOPB-TV comment "KOPB-TV is a public television station serving the Portland, Oregon television market. It is owned and operated by Oregon Public Broadcasting. It broadcasts its digital signal on VHF channel 10.KOPB-TV originally signed on the air as KOAP-TV, on February 6, 1961. The call sign letters stood for "Oregon Air Portland", preceded by the K prefix the Federal Communications Commission uses when assigning call signs for stations west of the Mississippi River.".