An unusual piece of track interrogation technology.  Contributor's Pick!       
Per the scanner - this has motion sensors. Presume GPS and data recording equipment. 5 scale test cars traveling with it.
Date: 5/1/2011 Location: Butler, WI Views: 266 Collection Of:   Edward Weisensel
Rolling Stock: SPMW 5007 (Other/Not Listed) Author:  Ed Weisensel
An unusual piece of track interrogation technology.
Picture Categories: RollingStock,Yard,Track,Action This picture is part of album:  Rolling Stock 2006-2021
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