LocusUSA welcomes the City of McKinney, TX to the growing family of DiagnostX users Post published: December 16, 2011 Post category:Articles / DiagnostX McKinney becomes the first user of DiagnostX in the Lone Star state. Tags: diagnostx, Lone Star, McKinney Read more articles Previous PostHennepin County, MN becomes the newest member of the growing family of DiagnostX users Next PostLocusUSA delivers two DiagnostX units to Ohio You Might Also Like DiagnostX Makes Debut at IWCE March 12, 2010 LocusUSA Launches DiagnostX Automatic Frequency Control (AFC) Meter May 11, 2016 Featured in Urgent Communications February 6, 2015