discrete code

discrete code

Any one of the 4096 selectable Mode 3/A four-digit SSR (secondary surveillance radar) codes whose last two digits are not “00” (e.g., discrete codes: 0010, 1201, 2317, 7777; nondiscrete codes: 0100, 1200, 7700). Nondiscrete codes are normally reserved for radar facilities that are not equipped with discrete decoding capability and for other purposes such as emergencies (7700), VFR (visual flight rules), aircraft (1200), etc.
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References in periodicals archive ?
In the surface movement area all transponders must now be squawking ALT, and if assigned a discrete code, that must be active as well.
These benefits were important to Thorntons, which needed a discrete code on the boxes that did not detract from the overall attractiveness of the packaging.
A discrete code is a one-off code given to only one aircraft in the National Airspace System.
A discrete code identifies a particular aircraft; a nondiscrete code does not.
I went back to squawking the assigned discrete code.
Titled "The Fiscal Implications of Discrete Codes for Biosimilars" and conducted by The Moran Co.
Fluorescing UV ink is only visible under UV lighting, satisfying the need for a robust but invisible solution, allowing discrete codes and brand information to be tracked through the supply chain.
Packages, bottles and certain products may require discrete codes and brand information that can be tracked through the supply chain.

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