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Time Scanners Previous Broadcasts

Jerusalem (Episode #105)

KQED World: Fri, Oct 13, 2017 -- 1:00 PM

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.

Colosseum (Episode #104)

KQED World: Fri, Oct 13, 2017 -- 12:00 PM

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.

Petra (Episode #103)

KQED World: Fri, Oct 6, 2017 -- 1:00 PM

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.

St. Paul's Cathedral (Episode #102)

KQED World: Tue, Oct 3, 2017 -- 2:00 AM

Structural engineer Steve Burrows takes his team of laser-scanning experts to St Paul's Cathedral in the heart of London. They venture inside the majestic dome to explore its groundbreaking three-part structure; determine how the cathedral's architect, Sir Christopher Wren, overcame unstable foundations and immense structural forces to support his dome; and investigate how the cathedral survived a direct hit by a German bomb during the London Blitz. The laser scans produce genuine revelations and give the team new insight into this iconic architectural masterpiece.

Repeat Broadcasts:

  • KQED World: Fri, Oct 6, 2017 -- 12:00 PM
  • KQED World: Tue, Oct 3, 2017 -- 8:00 AM
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TV Technical Issues

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    • Scheduled Maintenance 8/21-8/25

      Next week, Sutro Tower will be switching most stations to their auxiliary antennas. KQED TV will be at half power on the lower auxiliary antenna, this will affect some of our Over The Air viewers. Maintenance is scheduled on August 21-25 from 9am through 4pm daily. Thank you for your patience!

    • 6/22-23 Ch9 & Ch54 Virtual ID issues

      (DT9-1 thru 9-3, and DT54-1 thru 54-5) KQED experienced a major technical issue with our Virtual ID info in our signals for DT9 and DT54, beginning apx 4pm Thursday 6/22, which was resolved apx 11am Friday 6/23. As background, almost every TV station in the Bay Area now transmits on a frequency which is different […]

    • 2/22/17: Fremont Peak tower transmissions, including KQET DT25

      (DT25.1 through 25.3) Recent storms have taken out dozens of trees on Fremont Peak, which in turn have taken down power lines leading to the transmission tower located on the peak. It has been running on generators for several days, and regular trips are scheduled to re-fuel those generators with gas. However, the truck has […]

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

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