Apparatus and methods are disclosed for determining a position of an access terminal within a wireless communication network. In some examples, the access terminal retrieves system information from its current serving cell and stores the retrieved system information in memory along with an associated timestamp. Over time, as the access terminal moves about the network, it can accumulate this system information for a plurality of base stations within its memory. By utilizing the system information for a plurality of base stations rather than only the current serving base station, as well as the associated timestamps, additional position information can be provided to the access terminal. Other aspects, embodiments, and features are also claimed and described.