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"OPB" redirects here. For other uses, see OPB (disambiguation).
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Oregon Public Broadcasting
TypeNon-commercial educational broadcast television and radio network
BrandingOPB
Country
United States
First air date
  • Radio: January 23, 1923 (101 years ago) (1923-01-23)
  • Television: October 7, 1957 (67 years ago) (1957-10-07)
Broadcast area
OwnerOregon Public Broadcasting
see § Television stations
Affiliation(s)
  • Radio:
  • Television:
NET (1957–1970)
Official website
www.opb.org

Oregon Public Broadcasting (OPB) is the primary television, radio and digital public broadcasting network for most of the U.S. state of Oregon as well as southern Washington. OPB consists of five full-power television stations, dozens of VHF or UHF translators, and over 20 radio stations and frequencies. It also streams its programming on the Internet. Broadcasts include local and regional programming as well as television programs from the Public Broadcasting Service (PBS) and American Public Television (APT), and radio programs from National Public Radio (NPR), American Public Media (APM), Public Radio Exchange (PRX), and the BBC World Service, among other distributors. Its headquarters and television studios are located in Portland, Oregon.

OPB has been a major producer of television programming for national broadcast on PBS and Create through distributors like APT, with shows such as History Detectives, Barbecue America, Foreign Exchange, Rick Steves' Europe, and travel shows hosted by Art Wolfe.

The part of southwestern Oregon not served by OPB is served by KLCC radio, Jefferson Public Radio, and Southern Oregon PBS.

History

[edit]

20th century

[edit]
KOAC early studio and transmitter building near Oregon State University, c. 1941

OPB traces its roots back to January 23, 1923, when KFDJ signed on from the Oregon State University campus in Corvallis. From 1923 to 1981, the Oregon State campus served as the radio and later TV base of operations for Oregon's public broadcasting. Charles B. Mitchel, a first-year speech professor at Oregon State, was instrumental in bringing Oregon's first public radio station to the state. OSU physics instructor Jacob Jordan is credited with building the station's first radio transmitter near campus in 1923.[1][2]

The radio station's call letters were changed to KOAC on December 11, 1925. In 1932, KOAC became a service of the Oregon State Board of Higher Education General Extension Division.[3]

During the mid-1950s, the university constructed KOAC's first TV studios inside Gill Coliseum. On October 7, 1957, the station began television broadcasting as KOAC-AM-TV. For nearly 60 years, faculty and students at Oregon State University broadcast news, information and entertainment programming across the state from the Corvallis studios.[4] First known as Oregon Educational Broadcasting, the public network became the Oregon Educational and Public Broadcasting Service (OEPBS) in 1971.[5]

KOAC won its first Peabody Award for Outstanding Public Service by a Local Station in 1942 for Our Hidden Enemy, Venereal Disease.[6][7] KOAC won a second Peabody Award in 1972 for Conversations with Will Shakespeare and Certain of His Friends.[6]

KOAC-AM announcer broadcasting from the main studios in Covell Hall at Oregon State University (1929).
KOAC-TV satilite studio at University of Oregon (Eugene), 1963

In the late 1950s, KOAC's broadcast signal was shared across the state by microwave transmitters and receivers. KOAC also added satellite studios for radio broadcasting in Eugene, Monmouth, Salem, and Portland. In the 1960s, satellite TV studios were added in Portland and Eugene. The Portland satellite, KOAP-FM-TV, was located in a leased building at what is now 2828 SW Naito Parkway. KOAP started broadcasting on February 6, 1961. The Eugene satellite was located on the University of Oregon campus, in Villard Hall. Up until 1965, all programs from the KOAC satellites were live, due to a lack of video recording equipment. Both studios operated two RCA TK31 cameras for live broadcasts.

On December 6, 1964, KTVR-TV began broadcasting in La Grande. The station started primarily as a commercial television station, affiliated with NBC and ABC. KTVR-TV operated as a semi-satellite of KTVB in Boise, Idaho. The La Grande studio was located at 1605 Adams Ave. and produced nightly newscasts and other local programming. However, by 1967, the La Grande studio and office were closed and KTVR became a full-fledged satellite of KTVB. KTVR was unique in the Pacific Time Zone, because as a repeater of a Mountain Time Zone station, its "prime time" schedule was broadcast from 6 to 9 p.m. OEPBS bought KTVR on August 31, 1976, and converted it to PBS on February 1, 1977. At first, KTVR rebroadcast programming from two Washington stations—KWSU-TV in Pullman and KSPS-TV in Spokane—until OEPBS completed a transmission link to La Grande. On September 1, 1977, OEPBS took KTVR off the air for transmitter repairs, due to increasing technical problems. KTVR returned to the air on January 1, 1978, carrying OEPBS programming for the first time.

See also: KVDO-TV

KOAB-TV in Bend began broadcasting on February 24, 1970, as KVDO-TV, a commercial independent station licensed to Salem. Channel 3 struggled to compete with Portland's established independent, KPTV (channel 12), and in 1972, the station was purchased by Liberty Communications, then-owners of Eugene's ABC affiliate KEZI (channel 9). The intention was to make KVDO a full-power satellite of KEZI. During the sale, KATU (channel 2), Portland's ABC affiliate, objected over duplication of programming, and there were also objections to Liberty's common ownership of local cable systems and the television station. As a result, the Federal Communications Commission (FCC) allowed Liberty to buy KVDO-TV on the condition that it sell the station within three years.

The state government approved the purchase of KVDO-TV in 1975, with OEPBS taking control of the station on February 19, 1976. Nine days later, on February 28, a disgruntled viewer protesting KVDO's sale to OEPBS cut guy wires, toppling the channel 3 transmitter tower. On September 20, 1976, KVDO signed back on the air with a new tower; from then until March 31, 1981, the station broadcast an alternate program lineup to KOAP-TV and KOAC-TV, featuring time-shifted OEPBS programs, shows for the Spanish-speaking population in the Willamette Valley, and several local productions in Salem. OEPBS consistently eyed moving the station elsewhere to reduce duplication, which became more acute when budget cuts prompted KVDO-TV to drop its separate programs in 1981. The network pursued and won approval from the FCC to move the channel 3 allocation and license to Bend, which had no PBS coverage. KVDO-TV ceased broadcasting in Salem on July 31, 1983; on December 22, channel 3 signed back on the air as KOAB. The call letters were modified to KOAB-TV when KOAB-FM signed on the air on January 23, 1986.

KEPB-TV in Eugene began operation on February 27, 1990, as Eugene's first public television station, bringing most of Eugene a clear signal for PBS programming for the first time ever. Although KOAC-TV had long claimed Eugene as part of its primary coverage area (Corvallis is part of the Eugene market), it only provided rimshot coverage to most of Eugene itself and was marginal at best in the southern portion of the city. Most of Eugene could only get a clear picture from KOAC-TV on cable.[citation needed]

In 1981, OEPBS was spun off from the Oregon State System of Higher Education and became a separate state agency, Oregon Public Broadcasting. As part of the network overhaul, KOAP became the flagship of the OPB network and central operations were relocated from Corvallis to Portland.

In the early 2000s, OPB installed Oregon's first digital transmitter, taking a critical first step in the digital television transition.[8]

21st century

[edit]

For 2001 and 2002, the Oregon state government provided about 14 percent of OPB's operational budget; for 2003 and 2004, it was cut to 9 percent.[9]

On December 4, 2007, OPB launched opbmusic, a 24-hour online radio channel spotlighting Pacific Northwest musicians.[10] As of December 11, 2020, OPB discontinued the opbmusic HD radio and online audio stream and integrated opbmusic multimedia content into its broader arts and culture reporting.[11]

In March 2009, the Corporation for Public Broadcasting chose OPB to manage the pilot version of American Archive, CPB's initiative to digitally preserve content created by public broadcasters.[12]

Television stations

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Station City of license Channels
(RF / VC) 		First air date Call letters'
meaning 		ERP HAAT Facility ID Transmitter coordinates Public license information
KOPB-TV[a] Portland 10 (VHF)
10 		February 6, 1961
(63 years ago) (1961-02-06) 		Oregon Public Broadcasting 46 kW 524 m (1,719 ft) 50589 45°31′20.5″N 122°44′49.5″W / 45.522361°N 122.747083°W / 45.522361; -122.747083 (KOPB-TV) Public file
LMS
KOAC-TV Corvallis 7 (VHF)
7 		October 7, 1957
(67 years ago) (1957-10-07) 		Oregon Agricultural College 18.1 kW 357 m (1,171 ft) 50590 44°38′24.9″N 123°16′29.3″W / 44.640250°N 123.274806°W / 44.640250; -123.274806 (KOAC-TV) Public file
LMS
KEPB-TV[b] Eugene 29 (UHF)
28 		September 27, 1990
(34 years ago) (1990-09-27) 		Eugene Public Broadcasting 100 kW 403 m (1,322 ft) 50591 44°0′9″N 123°6′58.5″W / 44.00250°N 123.116250°W / 44.00250; -123.116250 (KEPB-TV) Public file
LMS
KOAB-TV[c] Bend 11 (VHF)
3 		February 24, 1970
(54 years ago) (1970-02-24) 		KOAC Bend 90 kW 245 m (804 ft) 50588 44°4′39.9″N 121°20′0.3″W / 44.077750°N 121.333417°W / 44.077750; -121.333417 (KOAB-TV) Public file
LMS
KTVR[d] La Grande 13 (VHF)
13 		December 6, 1964
(59 years ago) (1964-12-06) 		Television Grande Ronde 16.1 kW 775 m (2,543 ft) 50592 45°18′32.7″N 117°43′58.3″W / 45.309083°N 117.732861°W / 45.309083; -117.732861 (KTVR) Public file
LMS
Map this section's coordinates using OpenStreetMap

Download coordinates as:

Notes:

  1. ^ KOPB-TV used the callsign KOAP-TV from its 1961 sign-on until 1989.
  2. ^ KEPB-TV used the call sign KZJD during its construction permit from 1989 to 1990, and KEPB (without the -TV suffix) for just one day on May 1, 1990.
  3. ^ KOAB-TV used the callsign KVDO-TV from its 1970 sign-on until 1983. It was a commercial independent station until OEPBS bought the station in 1976. It was licensed to Salem until 1983.
  4. ^ KTVR was a commercial station relaying KTVB from Boise, Idaho until 1977.

Cable and satellite availability

[edit]

OPB Television is available on all cable providers in its service area. On Dish Network, KOPB-TV, KEPB-TV, and KOAB-TV are available on the Portland, Eugene and Bend local broadcast station lineups, respectively. KOPB-TV and KEPB-TV are available on the Portland and Eugene DirecTV broadcast station lineups.

Digital television

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OPB's first digital channel was OPB CREATE (an affiliate of the Create network), announced in January 2006; its availability was limited to certain Comcast digital cable customers and on Clear Creek Television in Oregon City.[13]

In December 2008, in anticipation of the original February 18, 2009, deadline for switching to all-digital broadcasting, OPB announced the launch of three digital subchannels: OPB, which would air OPB programming with an "improved picture for viewers with traditional sets", OPB HD, airing programming in "high definition with the highest-quality picture and sound", and OPB Plus, which offered "more choices in viewing times and added programs in news, public affairs and lifestyle."[14]

Subchannels

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OPB currently offers four digital multiplex channels:[15]

OPB multiplex[16]
Channel Res. Aspect Short name Programming
xx.1 1080i 16:9 OPB PBS[15]
xx.2 World OPB World[15][17]
xx.3 480i OPBKids OPB Kids[18]
xx.4 Audio only OPB-FM
  • OPB Radio
  • opbmusic (SAP channel 1)
  • KMHD Jazz Radio (SAP channel 2)
[15][18]

OPB was one of the partners of The Oregon Channel, a public affairs network that began with the 74th Oregon Legislative Assembly in 2007. Programming consisted of Oregon legislative sessions and other public affairs events. The Oregon Channel was discontinued in 2011.

All of OPB's digital channels are also available on cable providers Comcast Xfinity, Charter Spectrum and Ziply Fiber (grandfathered TV subscribers), and three other providers serving specific regions and communities in Oregon: Clear Creek (a cooperative serving the Redland area of Oregon City), BendBroadband (serving Central Oregon), and Crestview Cable Communications (serving Madras, Prineville, and La Pine).[14]

On July 6, 2011, OPB combined OPB and OPB SD into one high-definition channel feed on the main channel of its digital stations. OPB Plus moved from the third digital subchannel to the second subchannel and OPB Radio moved from the fourth digital subchannel to the third subchannel.

On January 26, 2023, OPB ended broadcasting of OPB Plus and replaced it with OPB World.

Analog-to-digital conversion

[edit]

During 2009, OPB shut down the analog transmitters of the stations on a staggered basis. The station's digital channel allocations post-transition are as follows:[19][20]

  • KOAC-TV shut down its analog signal, over VHF channel 7; the station's digital signal relocated from its pre-transition UHF channel 39 to VHF channel 7.
  • KOPB-TV shut down its analog, signal, over VHF channel 10; the station's digital signal relocated from its pre-transition UHF channel 27 to VHF channel 10.
  • KEPB-TV shut down its analog signal, over UHF channel 28; the station's digital signal remained on its pre-transition UHF channel 29, using virtual channel 28.
  • KOAB-TV shut down its analog signal, over VHF channel 3; the station's digital signal remained on its pre-transition VHF channel 11, using virtual channel 3.
  • KTVR shut down its analog signal, over VHF channel 13; the station's digital signal relocated from its pre-transition VHF channel 5 to channel 13.

Translators

[edit]

Low-power translators in Elkton, Glendale, Mapleton, Myrtle Point, Newport, Oakland, Oakridge, and Swisshome have been discontinued.[when?]

Radio stations

[edit]
Call sign Frequency City of license Facility ID Class Power
(W) 		ERP
(W) 		Height
(m (ft))
KOAC-FM 89.7 FM Astoria 81807 A — 180 321 m (1,053 ft)
KOBK 88.9 FM Baker City 94195 C3 — 600 559 m (1,834 ft)
KOAB-FM 91.3 FM Bend 50609 C1 — 75,000 199 m (653 ft)
KOBN 90.1 FM Burns 174446 A — 600 274 m (899 ft)
KOAC 550 AM Corvallis 50587 B 5,000 — —
KOTD 89.7 FM The Dalles 173179 A — 50 589 m (1,932 ft)
KETP 88.7 FM Enterprise 174467 A — 100 535 m (1,755 ft)
KOPB 1600 AM Eugene 841 B 5,000 day
1,000 night		 — —
KOGL 89.3 FM Gleneden Beach 91095 A — 210 −14 m (−46 ft)
KHRV 90.1 FM Hood River 90769 A — 65 227 m (745 ft)
KOJD 89.7 FM John Day 174221 A — 900 −39 m (−128 ft)
KTVR-FM 89.9 FM La Grande 94194 C2 — 400 760 m (2,490 ft)
KOAP 88.7 FM Lakeview 93285 A — 170 −180 m (−590 ft)
KOPB-FM[a] 91.5 FM Portland 50607 [21] C0 — 73,000 470 m (1,540 ft)
KRBM 90.9 FM Pendleton 50608 C2 — 25,000 180 m (590 ft)
KTMK 91.1 FM Tillamook 91082 A — 140 356 m (1,168 ft)

Notes:

  1. ^ Flagship station
Broadcast translators of KOPB-FM
Call sign Frequency City of license Facility ID Class ERP
(W) 		Height
(m (ft))
K283BT 104.5 FM Astoria 142734 D 70 107.4 m (352 ft)
K276BU 103.1 FM Corvallis 50601 D 15 326 m (1,070 ft)
K214AQ 90.7 FM Mount Vernon 50603 D 25 383 m (1,257 ft)
K293BL 106.5 FM Nedonna Beach 50610 D 10 396.9 m (1,302 ft)
K298AC 107.5 FM Ontario 50611 D 62 120 m (390 ft)
K228DT 93.5 FM Pacific City 50614 D 10 677 m (2,221 ft)
K212AQ 90.3 FM Riley 50598 D 50 524.7 m (1,721 ft)
K252DL 98.3 FM Walton 92367 D 8 489.8 m (1,607 ft)

Since the spring of 2009, OPB has operated jazz radio station KMHD; the station is owned by Mount Hood Community College, but operates out of OPB's studio facilities in Portland.

HD stations

[edit]

Currently only KMHD and KOPB-FM carry HD radio content.

The OPB HD radio channels are:

Channel Programming
OPB FM HD-1 Main OPB radio programing
OPB FM HD-2 opbmusic[22]
KMHD-FM HD-1 KMHD "Jazz Radio"[23]

Other radio frequencies

[edit]

Translators upgrading to full-power stations:

Podcasting

[edit]

In addition to their work in radio and television, OPB has produced multiple podcasts. For instance, OPB started a podcast version of its daily radio show in 2008 called Think Out Loud.[24][25] OPB also began producing a weekly podcast about local politics called OPB Politics Now, which is hosted by Geoff Norcross.[26] OPB produced a 2018 podcast hosted by Leah Sottile entitled Bundyville that discussed Cliven Bundy and the sovereign citizen movement.[27] The following year they produced the second season of the podcast entitled Bundyville: The Remnant, which discussed right wing extremism and anti-government extremism in America more broadly.[28] In 2020, OPB produced a podcast called Timber Wars. The podcast was hosted by Aaron Scott and discussed the 1990s conflicts in the Pacific Northwest between loggers and environmentalists.[29]

See also

[edit]

References

[edit]
  1. ^ Horton, Kami. "It all started as a lab experiment: A century ago, the broadcaster that became OPB was born". opb.org. Oregon Public Broadcasting. Retrieved March 31, 2024.
  2. ^ Morris, J.M. "The Remembered Years". oregonstate.edu. Scholars Archive Admin at OSU. Retrieved March 31, 2024.
  3. ^ KOAC timeline Archived September 6, 2008, at the Wayback Machine from the Oregon State University website
  4. ^ "KOAC (Radio station: Corvallis, Or.)". snaccooperative.org. National Archives and Records Administration. Retrieved July 20, 2023.
  5. ^ Geddes, Robert D. "Report on Non-Commercial Television in Portland". pdxscholar.library.pdx.edu. Portland City Club. Retrieved March 10, 2024.
  6. ^ a b Kristi Turnquist (March 31, 2010). "Oregon Public Broadcasting wins Peabody Award". The Oregonian. Retrieved August 13, 2010.
  7. ^ ""Our Hidden Enemy—Venereal Disease" for Outstanding Public Service by a Local Station". Retrieved June 16, 2017.
  8. ^ "History of Oregon Public Broadcasting". OPB. Retrieved July 31, 2014.
  9. ^ "Don't reduce funding for public broadcasting". The Bulletin. Bend, Oregon. April 10, 2007. Retrieved August 13, 2010.
  10. ^ Kristi Turnquist (December 11, 2007). "OPBmusic launches". The Oregonian. Retrieved August 13, 2010.
  11. ^ "Oregon Public Broadcasting's Online Music Channel Will Cease Streaming Next Week". Willamette Week. December 4, 2020.
  12. ^ "The Corporation for Public Broadcasting Selects Initiative Manager for American Archive Project". Corporation for Public Broadcasting. March 26, 2009. Retrieved September 14, 2010.
  13. ^ "Oregon Public Broadcasting Launches Its First Digital Multicast Channel". OPB.org. January 31, 2006. Retrieved February 25, 2013.[permanent dead link‍]
  14. ^ a b "OPB to Launch New Digital Television Channel Lineup". OPB.org. December 5, 2008. Retrieved February 25, 2013.[permanent dead link‍]
  15. ^ a b c d "Channels". OPB.org. Archived from the original on June 16, 2013. Retrieved February 25, 2013.
  16. ^ RabbitEars TV Query for KOAC
  17. ^ "OPB launches OPB WORLD, a 24/7 multicast channel". OPB.org. February 1, 2023. Retrieved May 6, 2023.
  18. ^ a b "KOPB-TV PORTLAND, OR". www.rabbitears.info. Retrieved December 15, 2023.
  19. ^ Portland TV stations backtrack, delay digital transition, a February 6, 2009, article from The Oregonian
  20. ^ "DTV Tentative Channel Designations for the First and Second Rounds" (PDF). Archived from the original (PDF) on August 29, 2013. Retrieved March 24, 2012.
  21. ^ FCC License KOPB-FM Channel: 218C0 91.5 MHz
  22. ^ "How To Listen". OPB.org. Retrieved July 31, 2014.
  23. ^ "About KMHD". OPB.org. Retrieved July 31, 2014.
  24. ^ "In a State Divided by More Than the Cascades, Can Oregon's Flagship Public Radio Station Bridge the Gap?". Portland Monthly. Retrieved September 24, 2022.
  25. ^ Stahl, Jessica (September 18, 2017). "7 podcasts to listen to after watching 'The Vietnam War'". The Washington Post. Retrieved September 24, 2022.
  26. ^ "Four Oregon-Made Politics Podcasts to Stream Before Election Day". Portland Monthly. Retrieved September 24, 2022.
  27. ^ "The New Yorker Recommends: A Revealing Podcast About the Bundy Family". The New Yorker. Retrieved September 24, 2022.
  28. ^ "A unique collaboration lets the Bundyville podcast tell stories of anti-government extremism in the American West". Nieman Lab. Retrieved September 24, 2022.
  29. ^ Broadcasting, Oregon Public (September 4, 2020). "New OPB podcast "Timber Wars" examines the battle over Northwest forests that began 30 years ago". Argus Observer | Ontario, OR. Retrieved September 24, 2022.
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