. "Digital:" . "10 (VHF)" . "32400.0"^^ . . "OPB"@en . . . . "KOPB-TV"@en . "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 Agricultural Portland\", preceded by the K prefix the Federal Communications Commission uses when assigning call signs for stations west of the Mississippi River."@en . "Oregon" . "50589"^^ . "Analog:" . "Public" . . "KOPB-TV" . "1961-02-06Z"^^ . "27 (UHF, 2001-2009)" . "524.0"^^ . "10 (VHF, 1961-2009)" . . "Broadcasting" . "KOAP-TV (1961-1989)" .