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QUEST Previous Broadcasts

Invasive Species: Asian Carp (Episode #511H)

KQED 9: Wed, Jul 29, 2015 -- 7:30 PM

Investigate how invasive Asian carp are destroying the Mississippi River system and threatening the Great Lakes. Learn how a destructive invasive fish has had an unexpectedly positive effect on the Lake Erie Water Snake. And find out how San Francisco Bay became the most invaded estuary in the world.

Repeat Broadcasts:

  • KQED 9: Thu, Jul 30, 2015 -- 1:30 AM

Monitoring Marine Protected Areas (Episode #510H)

KQED 9: Wed, Jul 22, 2015 -- 7:30 PM

QUEST takes to the high seas with researcher Dirk Rosen to study the underwater world off California's coast. Overfishing and environmental impacts have threatened some ocean areas, so state officials established "no fishing zones" to protect these fragile marine ecosystems and help fish populations rebound. But are they working?

Repeat Broadcasts:

  • KQED World: Sun, Jul 26, 2015 -- 5:00 PM
  • KQED World: Sun, Jul 26, 2015 -- 12:30 PM
  • KQED World: Sun, Jul 26, 2015 -- 8:30 AM
  • KQED World: Sat, Jul 25, 2015 -- 7:30 PM
  • KQED World: Sat, Jul 25, 2015 -- 1:00 PM
  • KQED 9: Thu, Jul 23, 2015 -- 1:30 AM

Megathrust Earthquakes (Episode #509H)

KQED 9: Wed, Jul 15, 2015 -- 7:30 PM

Discover how engineering activities to generate energy also can trigger man-made earthquakes. Explore the most powerful earthquakes on the planet, and what it would look like if the next "big one" hits the West Coast. And visit the "shake table" at UC Berkeley to learn about an important tool used by engineers to design safer structures in earthquake country.

Repeat Broadcasts:

  • KQED World: Sun, Jul 19, 2015 -- 5:00 PM
  • KQED World: Sun, Jul 19, 2015 -- 12:30 PM
  • KQED World: Sun, Jul 19, 2015 -- 8:30 AM
  • KQED World: Sat, Jul 18, 2015 -- 7:30 PM
  • KQED World: Sat, Jul 18, 2015 -- 1:00 PM
  • KQED 9: Thu, Jul 16, 2015 -- 1:30 AM

Airborne Wind Energy, Sea Urchins (Episode #508H)

KQED 9: Wed, Jul 8, 2015 -- 7:30 PM

Explore new airborne wind turbines designed to generate stronger and more consistent energy than conventional wind turbines. Find out how scientists are discovering key changes about Yosemite and California's wildlife by revisiting a landmark 100-year-old study. And watch an excerpt from Dan Griffin's film about ocean acidification and purple sea urchins.

Repeat Broadcasts:

  • KQED World: Sun, Jul 12, 2015 -- 5:00 PM
  • KQED World: Sun, Jul 12, 2015 -- 12:30 PM
  • KQED World: Sun, Jul 12, 2015 -- 8:30 AM
  • KQED World: Sat, Jul 11, 2015 -- 7:30 PM
  • KQED World: Sat, Jul 11, 2015 -- 1:00 PM
  • KQED 9: Thu, Jul 9, 2015 -- 1:30 AM

Mt. Umunhum / Asteroid Hunters / Fox (Episode #505H)

KQED 9: Wed, Jul 1, 2015 -- 7:30 PM

For more 50 years, the summit of Mt. Umunhum, looming over San Jose, has been off limits because of military and environmental contamination issues. QUEST treks 3,486 feet to the peak to find out what the public can expect when it reopens. Plus, see how scientists are tracking thousands of objects orbiting near Earth, and discover the tree-climbing North American Gray Fox at the Lindsay Wildlife Museum.

Repeat Broadcasts:

  • KQED World: Sun, Jul 5, 2015 -- 5:00 PM
  • KQED World: Sun, Jul 5, 2015 -- 12:30 PM
  • KQED World: Sun, Jul 5, 2015 -- 8:30 AM
  • KQED World: Sat, Jul 4, 2015 -- 7:30 PM
  • KQED World: Sat, Jul 4, 2015 -- 1:00 PM
  • KQED 9: Thu, Jul 2, 2015 -- 1:30 AM
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TV Technical Issues

TV
    TV Technical Issues
    • Comcast/Xfinity Ch10 audio, Monday 7/20 evening

      UPDATE: Comcast was able to resolve their technical glitch apx 10:45pm * * * * * We are aware that at least during the early part of the evening of Monday 7/20, the audio is out of sync on Comcast/Xfinity channel 10, their basic cable service. This problem still exists as of 8:10pm. We have […]

    • KQED DT9s OTA: very brief outages Thurs 6/11/15

      (DT9.1, 9.2 and 9.3) There will be 3 very brief outages (apx. 10 seconds each) of KQED’s Over The Air (OTA) DT9 signal Thurs 6/15, between 10am and 3pm. This is to accommodate preventative maintenance and inspections at Sutro Tower. Most TVs will recover easily each time the signal is restored, but a few viewers […]

    • KQET planned overnight outage, early Friday 3/13

      (DT25-1 through 25-3) Another station on Fremont Tower needs to perform more maintenance work overnight, requiring other TV stations to shut down their signals for the safety of the workers. KQET’s signal will turn off late Thurs/early Friday between midnight and 12:30am, and should return by 6am Friday morning. Many receivers will be able to […]

To view previous issues and how they were resolved, go to our TV Technical Issues page.

KQED DTV Channels

KQED 9, KQET

KQED 9 / KQET

Channels 9.1, 54.2, 25.1
XFINITY 9 and HD 709
Wave 9 and HD 164
DirecTV, Dish Network, AT&T U-verse: Channel # may vary, labeled as KQED, or as KQET in the 831 area code

All HD programs

KQED Plus, KQET

KQED Plus / KQET

Channels 54.1, 9.2, 25.2
XFINITY 10 and HD 710
Wave 10
DirecTV, Dish Network, AT&T U-verse: IF this channel provided to customer, channel # may vary, labeled as KQEH

KQED Plus, formerly KTEH

KQED Life

KQED Life

Channel 54.3
XFINITY 189
Wave 157

Arts, food, how-to, gardening, travel

KQED World

KQED World

Channel 9.3
XFINITY 190
Wave 156

History, world events, news, science, nature

v-me

V-Me

Channel 54.5 & 25.3
XFINITY 191 & 621
Wave 154

24-hour national Spanish-language network

KQED Kids

KQED Kids

Channel 54.4
XFINITY 192
Wave 155

Quality children's programming parents love too