The TV white-space band is generating a lot of attention and prompting a growing number of companies to seek experimental licenses for services that might be suited to the frequencies. Two recent recipients of FCC test licenses for white-space spectrum include Northwestern, which is looking at smart grid applications in Montana, and Qualcomm (NASDAQ:QCOM), which said it wants to test "3G and next-generation mobile technologies" in an area around its San Diego headquarters. See more about these experimental licenses here.