We have added the following data set to the CRAWDAD archive:

- umich/rss (v. 2011-08-10) Dataset of RSS measurements of a Mica2 sensor 
network deployed at the University of Michigan.

You can download the data set at http://www.crawdad.org/umich/rss

The data set was used for the following paper:

Yilun Chen, Ami Wiesel, and Alfred O. Hero III. Robust shrinkage estimation
of high dimensional covariance matrices. IEEE Transactions on Signal 
Processing, 59(9):4097-4107, Sep 2011.