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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

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    TV Technical Issues
    • early Thurs 9/29 1am-6am: planned KQET/DT25 outage

      (DT25-1 through DT25-3) Late Wed/early Thurs 9/29 1am, the KQET DT25 transmitter will be turned off for maintenance and electrical upgrades. The plan is that the signal should be restored at approximately 6am. Most Over the Air TVs will automatically restore the signal once the transmitter is turned back on. However, a few viewers may […]

    • early Mon 9/26: planned KQEH/DT54 Over the Air outage

      UPDATE: This morning’s maintenance took place at 8:36am, with the signal restored at 8:45am. (DT54-1 through DT54-5) At some point early Monday morning Sept 26th (before 9am), the KQEH transmitter will be turned off for about 10 minutes for maintenance. Because of the short duration, most TVs will automatically restore the signal once the transmitter […]

    • early Tues 9/13: KQEH DT54 (KQED Plus) planned overnight outage

      UPDATE: power was restored at 6:45am Tuesday. Most TVs will restore the channels automatically, but a few viewers may need to do a rescan. – – – – – – – – – – – – – – – – (DT54-1 through 54-5) late Monday/early Tuesday 9/13 The DT54 Over the Air signal will be […]

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