Upcoming Broadcasts:

Profile: Sylvia Earle/SETI: The New Search for ET (#311H) Duration: 25:48 STEREO TVG

QUEST profiles marine scientist and deep sea explorer Sylvia Earle, and find out why SETI scientists now say we might be hearing from ET sooner than you think.

Upcoming Broadcasts:

Amateur Rocketeers/Edible Insects (#601H) Duration: 26:21 STEREO TVG

Meet amateur rocket builders who are striving to reach the edge of space with their home-made rockets.Then get a different perspective on nature with photographer Simon Christen who shares his passion for observing the environment through time-lapse photography. Finally, take a bite into the latest food craze and cook with bug-eating enthusiasts who believe that insects are a smarter alternative to more traditional kinds of meat.

Upcoming Broadcasts:

Pump It Up: Heart Health Special Report (#602H) Duration: 26:21 STEREO TVG

Investigate the number one cause of death in America, heart disease, which kills close to 600,000 people each year - more than die from cancer, car accidents or AIDS. Meet a teenager trying to lower her risk; a heart attack patient and the team that saved her life, and a researcher working to one day rebuild a damaged heart from the inside out.

Upcoming Broadcasts:

The Physics of Biking/Whale Shark (#604H) Duration: 26:21 STEREO TVG

Investigate the forces that allow humans to balance on a bicycle with researchers from Davis, California who are trying to understand the physics of riding a bike. And, meet Bay Area researchers working to protect frogs across the state and across the world. Plus, explore whale sharks with Kip Evans, a wildlife filmmaker from Pacific Grove, California.

Upcoming Broadcasts:

X-Ray Microscope/ Astrophotography (#605H) Duration: 26:20 STEREO TVG

Meet the Bay Area scientists who have developed an amazing new microscope that uses X-rays to generate 3D views of cells. Then, learn why UC Berkeley researchers are using geckos, insects and other animals as inspiration for the design of new products. Plus, see the deep space astrophotography of Rogelio Bernal Andreo.

Upcoming Broadcasts:

Future of Nuclear/Weddell Seals (#606H) Duration: 26:19 STEREO TVG

Meet a scientist working to make a safer nuclear reactor design to help meet the world's energy demands. Then head out to the Pacific Flyway to track the timeless rhythms of bird migration. And, travel to icy Antarctica to study hardy Weddell seals with UC Santa Cruz marine biologist Dan Costa.

Upcoming Broadcasts:

Mt. Umunhum/Asteroid Hunters/Fox (#505H) Duration: 26:20 STEREO TVG

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.

Upcoming Broadcasts:

Airborne Wind Energy, Sea Urchins (#508H) Duration: 26:20 STEREO TVG

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.

Upcoming Broadcasts:

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TV Technical Issues

    TV Technical Issues
    • KQED DT9s Over the Air: beginning Wed 7/09

      (DT9.1, 9.2, 9.3) The PSIP Info part of our Over the Air (OTA) signal for KQED DT9.1, 9.2, 9.3 dropped out of our overall signal early Wednesday 7/09. Once PSIP was restored most OTA receivers moved our signal back to the correct channel locations. However, for some viewers, it appears as if they have lost […]

    • KQED FM 88.1 translator off air Tues 6/03

      The Martinez translator for KQED-FM will be off the air all day Tuesday June 3rd. We are rebuilding the 25 year old site with all new antennas and cabling. This should only affect people listening on 88.1MHz in the Martinez/Benicia area.

    • KQET planned overnight outage: early Tues 5/13

      (DT25.1, 25.2, 25.3) KQET’s Over The Air (OTA) signal will shut down late May 12/early Tues 5/13 shortly after midnight to allow for extensive electrical maintenance work at the transmitter. Engineers will do their best to complete the work by 6am Tuesday morning. This will affect OTA viewers of the DT25 channels, and signal providers […]

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

KQED DTV Channels


Comcast 9 and 709
Digital 9.1, 54.2 or 25.1

All widescreen and HD programs


Channel 54
Comcast 10 and 710
Digital 9.2, 54.1 or 25.2

KQED Plus, formerly KTEH


Comcast 189
Digital 54.3

Arts, food, how-to, gardening, travel

KQED World

KQED World
Comcast 190
Digital 9.3

History, world events, news, science, nature


Comcast 191 & 621
Digital 54.5 or 25.3

24-hour national Spanish-language network


Comcast 192
Digital 54.4

Quality children's programming parents love too