December 28, 2011 11:46 am TeleNav's Bob Rennard Explores the Future of GPS Systems TeleNav’s Bob Rennard who was a principal engineer on GPS in the 1970s talks about the growth of GPS. With reporters Sarah Lacy of TechCrunch and Michael Copeland of Fortune Magazine. US & World Videos 1:53 Median price of Bay Area home up more than 15% from a year ago 0:42 Southbound I-680 in the East Bay reopens after weekend closure 0:56 Telemundo 48 hosts Copita Tournament in San Jose 2:00 Families, activists rally amid ongoing Antioch PD racist texting scandal 0:41 Glide Memorial Church honors Rev. Cecil Williams
