Our new BeestXpress Aermod Client is free for registered users to download & install, and contains all of the Aermod functionality that you get in the full version of BEEST. Please note that support is limited on this version to issues directly related to installation and/or BeestXpress.
See www.beeline-software.com for more information on the full version of BEEST, which includes full technical support that covers all aspects of the software and Aermod dispersion modeling.