We have added the following data set to the CRAWDAD archive: - wisc/airshark (v. 2011-10-20) Dataset of RF device usage measurements collected using a signal analyzer for use by Airshark. You can download the data set at http://www.crawdad.org/wisc/airshark The data set was used for the following paper: Shravan Rayanchu, Ashish Patro, and Suman Banerjee. Airshark: Detecting Non-WiFi RF devices using commodity WiFi hardware. Proceedings of the 2011 Internet Measurement Conference, Berlin, Germany, 2011. ACM.