A boring tool moves having a pitch orientation, a yaw orientation and a roll orientation and is steerable underground using the roll orientation. The web server application can be operable to cause the mobile device server to detect a media resource center, to transmit a pairing key to the media resource center, and to receive authorization from the media resource center to pair with one or more resources selected by the media resource center according to the pairing key. A fixed delay is created and maintained during modem operation. A barrier permeability value is assigned to the test barrier of the test structure based on the measured lifetime.