STL may refer to:

Communications

Standard telegraph level In telecommunication, standard telegraph level (''STL'') is the power per individual telegraph channel required to yield the standard composite data level. For example, for a composite data level of -13 dBm at 0-dBm transmission level point (0TLP) ...

Studio/transmitter link A studio transmitter link (or STL) sends a radio station's or television station's audio and video from the broadcast studio or origination facility to a radio transmitter, television transmitter or uplink facility in another location. This is ...

International law

* Special Tribunal for Lebanon, an international criminal tribunal

Music

* Stella Mwangi, a Norwegian-Kenyan singer also known as STL

Saint Louis, Missouri topics

* St. Louis, Missouri * St. Louis Cardinals, the city's Major League Baseball team * St. Louis Lambert International Airport (IATA airport code: STL)

Software

* Standard Template Library (for C++) *.stl, a file format for subtitles * STL (file format), a file format for 3D CAD models *

Statement List Instruction list (IL) is one of the 5 languages supported by the initial versions of IEC 61131-3 standard, and subsequently deprecated in the third edition. It is designed for programmable logic controllers (PLCs). It is a low level language and r ...

, programming language for Siemens SIMATIC S7

Transportation

*Société de transport de Laval, public transit in Laval, QC Canada *Société de transport de Lévis, public transit in Lévis QC Canada *Southall railway station (National Rail station code: STL)

Other uses

* ''Sacrae Theologiae Licentiatus'' (Licentiate of Sacred Theology), a degree in Catholic religious studies * ''Samarbeidsrådet for Tros- og Livssynssamfunn'' (Council for Religious and Life Stance Communities), Norway * Send the Light, a British Christian book distributor * Space Technology Laboratories, a former division of TRW Inc. * Spurious trip level of a safety or alarm system * Former UK Standard Telecommunication Laboratories * ''Suara Timor Lorosae'', a newspaper in East Timor {{disambiguation