Just a small comment on the first line Datums, i.e. Geographic coordinate systems. It sounds like a Datum is a geographic coordinate system. That's not the case. Datums are part of a simple ellipsoidal earth model. Geographic coordinate systems uses a datum as part of it's definition.
ITT Tech offered associate, bachelor's, and master's (business-only, online) degrees. The state of Pennsylvania was the only state which forbade ITT Tech to offer master's degrees. As of December 31, 2015, the ITT Technical Institutes were offering 49 education programs in various fields of study.
There is a variety of formal training programs available to future radiology technicians. They may earn certificates, associate's degrees or bachelor's degrees in radiology to be eligible for employment in the U.S.; however, most radiology technicians enter the career with associate's degrees.