positive control
A method of airspace control that relies on positive identification, tracking, and direction of aircraft within an airspace, conducted with electronic means by an agency having the authority and responsibility therein.

Military dictionary. 2000.

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  • Positive control — may refer to:* Positive control group in scientific control * Positive control, the Air traffic control practice of controlling aircraft whose positions are determined by direct radar observationA positive control is a procedure that is very… …   Wikipedia

  • positive control — pozityvusis valdymas statusas T sritis Gynyba apibrėžtis NATO skrydžių valdymo srityje – visų skraidomųjų objektų skrydžių nustatytoje erdvėje reguliavimo būdas, kurį atlieka elektroniniais prietaisais oro eismo valdymo tarnyba, turinti… …   NATO terminų aiškinamasis žodynas

  • positive control — i. A method of airspace control that relies on positive identification, tracking, and the direction of an aircraft within an airspace, conducted with electronic means by an agency with the authority and responsibility. ii. Tactical control of an… …   Aviation dictionary

  • positive control —    Those samples when run in a chemical reaction give a positive result. Those samples give the same result each time …   Forensic science glossary

  • positive control — Mechanism for gene regulation that requires that a regulatory protein must interact with some region of the gene before transcription can be activated …   Dictionary of molecular biology

  • positive control — in an experimental study of a given substance, a sample of the substance with known values that can be used as a reference base …   Medical dictionary

  • positive control area — Airspace within which there is positive control of aircraft. Flight in a PCA normally is conducted under IFR (instrument flight rules). A PCA is designated throughout most of the continental United States, and its vertical extent is from 18,000… …   Aviation dictionary

  • positive control system — A mechanism in which a regulatory protein(s) is required to turn on gene expression …   Glossary of Biotechnology

  • Positive train control — (PTC) is a system of monitoring and controlling train movements to provide increased safety.OverviewThe main concept in PTC is that the train receives information about its location and where it is allowed to safely travel. Equipment on board the …   Wikipedia

  • Positive Train Control — (PTC) ist ein Zugleitsystem, das in den USA zur Ergänzung der Zugsicherungssysteme entwickelt wird. Inhaltsverzeichnis 1 Geschichte 2 Umsetzung 3 Kritik 4 Siehe auch …   Deutsch Wikipedia

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