31 Dec 2006 - 21 Mar 2016
About this capture
The Internet Archive discovers and captures web pages through many different web crawls. At any given time several distinct crawls are running, some for months, and some every day or longer. View the web archive through the
Wayback indexes. This data is currently not publicly accessible.
The Wayback Machine - https://web.archive.org/web/20061231172835/http://www2.usfirst.org/2006comp/other/2006_Sensor_Basic_Operation.pdf