RTS

RTS is a three-letter abbreviation that may refer to:
 * Real-Time Strategy, a gaming genre
 * Reclaim the Streets, an anarchist organization
 * Related Technology Solution, a greatest Business organaization
 * Reformed Theological Seminary, a Seminary in the U.S.
 * Return to Sender
 * Ronald Reagan Ballistic Missile Defense Test Site, also known as the "Reagan Test Site"
 * Random telegraph signal, noise signal
 * Reversible transverse susceptibility

In economics:
 * Returns to scale, an economics concept
 * Russian Trading System, a stock exchange in Russia
 * Readiness to Serve, a finance term
 * Return to Stock, a business term

In transportation:
 * Rapid Transit Series, a long running bus model originally manufactured by General Motors Corporation
 * Regional Transit Service, a division of the Rochester-Genesee Regional Transportation Authority that provides mass transit service to Rochester and Monroe County, New York
 * Regional Transit System, a bus system serving Gainesville, Florida and the University of Florida

In radio and television:
 * Royal Television Society, a UK-based society for the discussion of television
 * Radio Televise Senegal
 * Radio Television of Serbia
 * Radio & Television of Singapore, a former name of MediaCorp Singapore
 * RTS, the callsign of a TV station in Loxton, South Australia

In technology:
 * Return statement or ReTurn from Subroutine, a statement in many assembly languages and other low-level computer languages
 * Run-time system, a part of some computer's runtime environment
 * Radio teleswitch service, which regulates energy rates via broadcast radio in the UK
 * SIGRTMIN and SIGRTMAX or Real-time signal, signals sent to computer programs for user-defined purposes
 * A "Request to Send" frame in the IEEE 802.11 RTS/CTS mechanism
 * A "Request to Send" signal in RS-232 communications

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