Bay Area Company Helped Navigate Grand Canyon Tight Rope Stunt - NBC Bay Area

    Bay Area Company Helped Navigate Grand Canyon Tight Rope Stunt

    Hayward-based Davis Instruments provided equipment to help monitor wind and temperature during high-wire act. George Kiriyama reports. (Published Monday, Jun 24, 2013) Hayward-based Davis Instruments provided equipment to help monitor wind and temperature during high-wire act. George Kiriyama reports. See More