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The “storm-time” component of variation of the terrestrial magnetic field, that is, the component which correlates with the interval of time since the onset of a magnetic storm; used as an index of intensity of the ring current.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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DST(1) (DeSTination) Contrast with SRC, which is an abbreviation of "source."
(2) (Digital Signal Trust Company, Salt Lake City, UT) An organization that set up and managed PKI systems for companies and industry groups. Using third-party software, DST served as a certification authority (CA), managed the repository and provided a secure location for the private keys. Founded in 1996, Utah-based DST was the first licensed CA in the U.S. and the first PKI service organization, and Utah was the first state to pass digital signature legislation. In 2002, DST was acquired by Identrus LLC (www.identrus.com), a global leader in digital trust services and secure e-commerce. See PKI.
(3) (Data Storage Technology) An earlier high-capacity magnetic tape technology from Ampex that was based on the digital composite D2 format for the broadcasting industry. It used the same 19mm, helical scan transport, but provided higher capacities with Ampex's proprietary Data D-2 (DD2) format. DST cartridges ranged from 50 to 330GB. Ampex's Data Instrumentation Systems (DIS) tape technology was a counterpart line that provided optional modes and interfaces for data acquisition devices. See magnetic tape.
|DST Tape Storage|
|DST was not exactly for home computer use. The 4mm DAT cassette is shown for size comparison.|
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