Total station An electronic and optical instrument used in modern surveying and building construction. A total station is an electronic theodoloite integrated with an electronic distance meter to read slope distances from the instrument to a particular point. Instrument Definition adapted from Wikipedia. See https://en.wikipedia.org/wiki/Total_station ODM2 Equipment Type Controlled Vocabulary ODM2 Working Group A vocabulary for describing types of equipment used for making observations. Examples include sensors, batteries, radios, dataloggers, samplers, etc.