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| Channels | |
| Branding | WXXI |
| Programming | |
| Affiliations |
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| Ownership | |
| Owner | WXXI Public Broadcasting Council |
| History | |
| Founded | 1966 |
First air date | September 6, 1966 (59 years ago) (1966-09-06) |
Former call signs |
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Former channel numbers |
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| NET (1966–1970) | |
Call sign meaning | "XXI" is theRoman numeral for 21 |
| Technical information[2] | |
Licensing authority | FCC |
| Facility ID | 57274 |
| ERP | 273 kW |
| HAAT | 152 m (499 ft) |
| Transmitter coordinates | 43°8′7″N77°35′2″W / 43.13528°N 77.58389°W /43.13528; -77.58389 |
| Links | |
Public license information | |
| Website | www |
WXXI-TV (channel 21) is aPBS membertelevision station inRochester, New York, United States. It is owned by theWXXI Public Broadcasting Council alongsideNPR membersWXXI (1370 AM),WXXI-FM (105.9), andWXXO (91.5 FM). The three outlets share studios at 280 State Street near downtown Rochester; WXXI-TV's transmitter is located on Pinnacle Hill on the border between Rochester andBrighton.
WXXI-TV's national public television productions includeA Warrior in Two Worlds,Echoes from the Ancients,Out of the Fire,Albert Paley: Man of Steel,Biz Kid$, andFlight to Freedom. WXXI-TV also producedAssignment: The World, a weekly current-events program for schools, which aired on approximately 100 public television stations nationwide, and was the nation's longest-running instructional television program. Due to funding cuts, it was canceled and its last episode aired on May 23, 2013.
ThinkBright, broadcast from 6 p.m. to 6 a.m. on 21.3 until the digital transition.
WXXI-TV entered the digital era in September 2003 when it signed on with Rochester's first full-power digital television signal.
The station's signal ismultiplexed:
| Channel | Res. | Aspect | Short name | Programming |
|---|---|---|---|---|
| 21.1 | 1080i | 16:9 | WXXI-HD | PBS |
| 21.2 | 480i | 4:3 | WXXI-W | World |
| 21.3 | WXXI-C | Create | ||
| 21.4 | WXXI-K | PBS Kids | ||
| 22.7 | Audio only | WXXO-FM | WXXI Classical (WXXI Readout Radio is on the subchannel'sSAP) | |
| 31.4 | 480i | 16:9 | TBD | TBD (WUHF-DT4) |
Channel 21.4, now PBS Kids since February 1, 2016, was originally a digitalstandard definition simulcast of WXXI-TV's analog signal.
WXXI-TV discontinued regular programming on its analog signal, overUHF channel 21, on June 12, 2009, the official date on which full-power television stations in the United Statestransitioned from analog to digital broadcasts under federal mandate. The station's digital signal remained on its pre-transition UHF channel 16,[4] usingvirtual channel 21.
As part of theSAFER Act,[5] WXXI-TV kept its analog signal on the air until July 10, 2009, to inform viewers of thedigital television transition through a loop ofpublic service announcements from theNational Association of Broadcasters. WXXI-TV had been awarded a $202,498 federal contract for an outreach initiative to help Rochester's over-the-air viewers prepare for the digital transition.[6]
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