KOPB-TV

Infobox_Broadcast
call_letters = KOPB-TV
city =
station_
station_slogan =
station_branding = OPB
analog = 10 (VHF)
digital = 27 (UHF)
other_chs =
affiliations = PBS
network =
founded =
airdate = February 6, 1961
location = Portland, Oregon
callsign_meaning = Oregon
Public
Broadcasting
former_callsigns = KOAP-TV (1961-1989)
former_channel_numbers =
owner = Oregon Public Broadcasting
licensee =
sister_stations =
former_affiliations = NET (1961-1970)
effective_radiated_power = 316 kW (analog)
753 kW (digital)
HAAT = 524 m (analog)
509 m (digital)
class =
facility_id = 50589
coordinates = coord|45|31|20.5|N|122|44|49.5|W|type:landmark_scale:2000
homepage = [http://www.opb.org/ www.opb.org]

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 analog signal on VHF channel 10, and its digital signal on UHF channel 27.

Channel 10 signed on the air as KOAP on February 6 1961. Called letters mirroring originating station KOAC-TV Channel 7 Corvallis. KOAP call letter meaning: Oregon Air Portland. The station was first housed at campus of Portland State University. With the transmitter being located on Council Crest. KOAP was a member of NET, National Educational Television carrying its programs. On April 30 1962 KOAP's FM sister service signed on the air. By 1966 most local programs originated at KOAP-TV. In October 1970 PBS, Public Broadcasting Service replaced NET. KOAP-TV and KOAC-TV were known on the air as OEB, Oregon Educational Broadcasting. In early 1972 OEB became OEPBS, Oregon Educational & Public Broadcasting Service. In October 1981 OEPBS became OPB, Oregon Public Broadcasting. On February 15 1989 KOAP FM-TV became KOPB FM-TV.

OPB was a pioneer in HDTV. As early as March 5 1997 OPB's experimental HDTV station transmitted a random-bit data stream. On September 15 1997 OPB Portland was assigned the experimental call letters KAXC for channel 35. Then on October 11 1997 at 4:37 P.M. KAXC became the first TV station in Oregon and one of the first on the west coast to transmit an HDTV picture. After experimentation ended, channel 35 was vacated. On December 7 2001 KOPB-DT began operation on channel 27.

Digital Television

After the analog television shutdown and digital conversion, which is tentatively scheduled to take place on February 17, 2009 http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-06-1082A2.pdf] , KOPB-TV will move its digital broadcasts back to its present analog channel number, 10. [http://fjallfoss.fcc.gov/cgi-bin/ws.exe/prod/cdbs/forms/prod/cdbsmenu.hts?context=25&appn=101257271&formid=387&fac_num=50589 CDBS Print ] ]

External links

* [http://www.opb.org/ Oregon Public Broadcasting: Homepage]
* [http://www.pbs.org/ PBS Homepage]
* [http://www.engineering.opb.org/kopb.html KOPB Engineering site] About broadcast facilities of KOPB
* [http://www.engineering.opb.org/new.html KOPB Tower] About broadcast facilities of KOPB
*TVQ|KOPB-TV
*BIA|KOPB|TV|TV

References