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:

Bikes, Bugs and Fashionistas (#708H) Duration: 26:46 STEREO TVG

Go behind the scenes with a North Carolina inventor building sun-powered "carcycles;" meet an Ohio engineer transforming flies into fishmeal; and visit a Nebraska textile engineer converting corn husks into fashion.

Upcoming Broadcasts:

Sea Otters, New Cars and Old Forests (#707H) Duration: 26:46 STEREO TVG

Meet biologists in Washington state exploring the surprising connection between sea otters and climate change; take a test drive in San Francisco with new hydrogen-powered cars that only emit water vapor; and find out how scientists in Wisconsin are working to build a more resilient forest.

Upcoming Broadcasts:

Wolves, Seeds and Snapshots (#709H) Duration: 26:46 STEREO TVG

Discover why wolves and other feared predators in Washington state are an essential part of the ecosystem; find out how saving seeds in the Midwest is preserving food diversity; and meet a Great Plains photographer documenting the wild nature of our iconic landscapes.

Upcoming Broadcasts:

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TV Technical Issues

    TV Technical Issues
    • KQET (DT25) Over the Air: Wed 8/27

      We are aware of the break-up issues for our DT25 Over the Air signal in the Monterey/Salinas area. This will also affect viewers of any cable or satellite signal provider using that transmitter as their source. Engineers are working on the problem.

    • Week of 8/25: Sutro Tower work (including KQED 9 Over the Air)

      (Affects several San Francisco TV & Radio stations, including KQED 9.1, 9.2 & 9.3) During the week of August 25, Monday through Friday, between 9am and 4pm, several TV and radio stations will be switching to their Auxiliary antennas. This is being done so that the tower crew can perform routine maintenance on the regular […]

    • KQET Off Air Sun 8/03 morning

      (DT25.1, 25.2, 25.3) KQET DT25 was off the air for a portion of Sunday morning, due to the transmitter taking a power hit. The signal has been restored. Most receivers should have re-acquired our signal once it returned, but a few Over the Air viewers may need to do a rescan in order to restore […]

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