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Time Scanners Previous Broadcasts

Machu Picchu (Episode #106)

KQED World: Fri, Jul 22, 2016 -- 6:00 AM

Join a team of laser-scanning experts in the Inca city to answer three main questions. How did the Inca build a city atop a mountain ridge? How were the terraces constructed? How did they supply water to the city?

Repeat Broadcasts:

  • KQED World: Fri, Jul 29, 2016 -- 1:00 PM
  • KQED World: Fri, Jul 29, 2016 -- 7:00 AM
  • KQED World: Wed, Jul 27, 2016 -- 8:00 AM
  • KQED World: Wed, Jul 27, 2016 -- 2:00 AM
  • KQED World: Mon, Jul 25, 2016 -- 1:00 AM
  • KQED World: Sun, Jul 24, 2016 -- 1:00 AM
  • KQED World: Fri, Jul 22, 2016 -- 12:00 PM

Jerusalem (Episode #105)

KQED World: Fri, Jul 15, 2016 -- 7:00 AM

Explore Jerusalem's building legacy, from the walls of Temple Mount to the man-made mountain of Herodium. Experts use 21st-century technology to analyze constructions from the time of Christ and solve centuries-old mysteries behind their creation.

Repeat Broadcasts:

  • KQED World: Thu, Jul 21, 2016 -- 1:00 PM
  • KQED World: Thu, Jul 21, 2016 -- 7:00 AM
  • KQED World: Wed, Jul 20, 2016 -- 8:00 AM
  • KQED World: Wed, Jul 20, 2016 -- 2:00 AM
  • KQED World: Mon, Jul 18, 2016 -- 1:00 AM
  • KQED World: Sun, Jul 17, 2016 -- 1:00 AM
  • KQED World: Fri, Jul 15, 2016 -- 1:00 PM

Colosseum (Episode #104)

KQED World: Fri, Jul 8, 2016 -- 7:00 AM

The team uses incredible new laser-scanning technology to uncover the engineering secrets behind ancient Rome's Colosseum. Structural engineer Steve Burrows leads his team of laser-scanning experts to Rome in Italy on a quest to uncover some of the engineering world's oldest mysteries of the Colosseum. Using cutting-edge 3D laser-scanning technology, the team want to answer three questions. How did the Romans produce some of the most impressive gladiatorial games ever seen in Europe? How did the Colosseum's mysterious roof really work? Finally, how does the mighty Colosseum perform in state of the art computer testing against the sports stadiam of the 21st century? Armed with incredible scanning technology, the data will provide the clues to help Steve find the answers.

Repeat Broadcasts:

  • KQED World: Wed, Jul 13, 2016 -- 8:00 AM
  • KQED World: Wed, Jul 13, 2016 -- 2:00 AM
  • KQED World: Mon, Jul 11, 2016 -- 1:00 AM
  • KQED World: Fri, Jul 8, 2016 -- 1:00 PM

Petra (Episode #103)

KQED World: Fri, Jul 1, 2016 -- 7:00 AM

Structural engineer Steve Burrows leads his team of laser-scanning experts to Jordan to scan the ancient desert city of Petra. Using 3D laser-scanning technology, he wants to uncover its construction secrets and shed new light on this architectural wonderland lost to the West for more than 1000 years.

Repeat Broadcasts:

  • KQED World: Wed, Jul 6, 2016 -- 8:00 AM
  • KQED World: Wed, Jul 6, 2016 -- 2:00 AM
  • KQED World: Fri, Jul 1, 2016 -- 1:00 PM
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TV Technical Issues

TV
    TV
    • KQED TV All Channels: Planned outage late Fri/early Sat 1/14 midnight-2am

      All KQED television channels will be off the air late Friday/early Saturday 1/14 beginning at midnight for approximately two hours to perform maintenance and upgrades to our electrical system. These improvements will help KQED maintain and continue our broadcast service to the community. We will return to our regularly scheduled programs as soon as work […]

    • Wed 12/28: KQET DT25 Over the Air signal restored

      UPDATE: signal was restored apx 6pm (DT25.1 through 25.3) We are aware that our transmitter servicing the Watsonville/Monterey/Salinas area, KQET, is off the air. Engineers are on their way from San Francisco to check it out. Estimated time for repairs not yet known.

    • Planned KQET (DT25) outage: early Sun 12/18 apx 1am

      (DT25.1 through 25.3) Due to maintenance and software update work being done by one of the paid signal providers, KQET-25 will need to go off the air for apx 15-30 minutes at apx 1am.

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, DirecTV, Dish Network, AT&T U-verse: Channel # may vary, labeled as KQED, or as KQET in the 831 area code.
Outstanding PBS programming, KQED original productions, and more.

All HD programs

KQED Plus, KQET

KQED Plus / KQEH

Channels 54.1, 9.2, 25.2
XFINITY 10 and HD 710
Wave, DirecTV, Dish Network, AT&T U-verse: Channel # may vary, labeled as KQEH
KQED Plus, formerly KTEH.
Unique programs including the best British dramas, mysteries, and comedies.

PBS Kids

PBS Kids

(starts Jan 16, 2017)
Channel
54.4, 25.3
XFINITY 192
Wave: Channel # may vary.
Quality children's programming. Live streaming 24/7 at pbskids.org.

KQED Life

KQED Life

Channel 54.3
XFINITY 189
Wave: Channel # may vary.
Best of arts, food, gardening, how-to, and travel.

KQED World

KQED World

Channel 9.3, 54.5
XFINITY 190
Wave: Channel # may vary.
Best of non-fiction programs including public affairs, local and world events, nature, history, and science.