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DRADIS can be used in stationary configurations as well on ships. A group of [[Cylon Centurion]]s are able to jury-rig a DRADIS assembly from their [[Heavy Raider]] into a stationary tracking array in an attempt to eliminate any [[SAR]] missions from ''[[Galactica]]'' ([[Fragged]]). | DRADIS can be used in stationary configurations as well on ships. A group of [[Cylon Centurion]]s are able to jury-rig a DRADIS assembly from their [[Heavy Raider]] into a stationary tracking array in an attempt to eliminate any [[SAR]] missions from ''[[Galactica]]'' ([[Fragged]]). | ||
Carbon composites are largely invisible to DRADIS scans ([[Flight of the Phoenix]]). | Carbon composites are largely invisible to DRADIS scans ([[Flight of the Phoenix]]). False positive contacts can be educed though electronic interference or malfunction, producing contacts that either do no actually exist or misrepresent their actual configuration. In the case of the former, such false positives are referred to as "ghosts" ("[[Exodus, Part II]], "[[The Oath]]"). | ||
A "DRADIS contact" is an object or objects detected by DRADIS. Contacts are typically identified by cross-referencing with an [[IFF]] system (in the case of ships) or an astronomical database (in the instance of planets or other celestial bodies). | A "DRADIS contact" is an object or objects detected by DRADIS. Contacts are typically identified by cross-referencing with an [[IFF]] system (in the case of ships) or an astronomical database (in the instance of planets or other celestial bodies). | ||
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DRADIS is likely a central component of the [[Computers|navigation computer]] on Colonial ships such as battlestars, as they do not navigate in [[sublight]] mode by visual means. ''Galactica's'' tactical and navigation data is displayed on a series of screens that form the [[DRADIS console]], suspended above the [[CIC]]'s Command and Control console. | DRADIS is likely a central component of the [[Computers|navigation computer]] on Colonial ships such as battlestars, as they do not navigate in [[sublight]] mode by visual means. ''Galactica's'' tactical and navigation data is displayed on a series of screens that form the [[DRADIS console]], suspended above the [[CIC]]'s Command and Control console. | ||
The DRADIS can be blinded by external sources of electromagnetic radiation such as artificial radiation by [[EMP|EMP generators]] ([[Miniseries]]), nuclear detonations ([[Pegasus (episode)|Pegasus]]), [[w:Pulsars|pulsars]] ([[Sacrifice]]), [[Passage (star cluster)|star clusters]] and [[w:Binary star|binary stars]] ("[[The Passage]]", "[[The Captain's Hand]]"), or other phenomenona such as the nebula around [[New Caprica]] ([[Lay Down Your Burdens, Part I]]). | The DRADIS can be blinded by external sources of electromagnetic radiation such as artificial radiation by [[EMP|EMP generators]] ([[Miniseries]]), nuclear detonations ("[[Pegasus (episode)|Pegasus]]", "[[Razor]]"), [[w:Pulsars|pulsars]] ([[Sacrifice]]), [[Passage (star cluster)|star clusters]] and [[w:Binary star|binary stars]] ("[[The Passage]]", "[[The Captain's Hand]]"), or other phenomenona such as the nebula around [[New Caprica]] ([[Lay Down Your Burdens, Part I]]). | ||
== Sourcing of the term == | == Sourcing of the term == | ||
Revision as of 09:46, 8 February 2009
DRADIS is a highly sensitive detection, identification, navigation and tracking system, analogous in function to radar[1], used aboard Colonial spacecraft.
DRADIS can be used in stationary configurations as well on ships. A group of Cylon Centurions are able to jury-rig a DRADIS assembly from their Heavy Raider into a stationary tracking array in an attempt to eliminate any SAR missions from Galactica (Fragged).
Carbon composites are largely invisible to DRADIS scans (Flight of the Phoenix). False positive contacts can be educed though electronic interference or malfunction, producing contacts that either do no actually exist or misrepresent their actual configuration. In the case of the former, such false positives are referred to as "ghosts" ("Exodus, Part II, "The Oath").
A "DRADIS contact" is an object or objects detected by DRADIS. Contacts are typically identified by cross-referencing with an IFF system (in the case of ships) or an astronomical database (in the instance of planets or other celestial bodies).
The symbols used on Colonial DRADIS displays for the representation of battlestars, Raptors, and Vipers are visible in the picture to the right.
DRADIS is also used to report radiological alarms.
DRADIS is likely a central component of the navigation computer on Colonial ships such as battlestars, as they do not navigate in sublight mode by visual means. Galactica's tactical and navigation data is displayed on a series of screens that form the DRADIS console, suspended above the CIC's Command and Control console.
The DRADIS can be blinded by external sources of electromagnetic radiation such as artificial radiation by EMP generators (Miniseries), nuclear detonations ("Pegasus", "Razor"), pulsars (Sacrifice), star clusters and binary stars ("The Passage", "The Captain's Hand"), or other phenomenona such as the nebula around New Caprica (Lay Down Your Burdens, Part I).
Sourcing of the term[edit]
The "Direction, RAnge, and DIStance" breakdown of the acronym "DRADIS" was listed in an early manuscript of the first half of the Miniseries. Since some major elements of this script were changed (such as Kobol being the sole home of the Colonies, and not separate worlds) in comparison to the completed teleplay, canonical use of this breakdown should be taken with some skepticism.
There is some evidence to suggest that the original breakdown is the canonical version. In "Kobol's Last Gleaming, Part I", Crashdown performs a DRADIS sweep of Kobol. The aerial survey is later presented to the President. For a brief moment, as Roslin takes the survey image out of Billy Keikeya's hand, the DRADIS information printed on the image is visible. The letters on the image are clear and are as follows:
- Aerial Survey
- D. 41376
- Ra. 145.8
- Dis. 43.5
The letters represent numerical values. While this is not conclusive evidence, it is consistent with the original manuscript definition.
Notes[edit]
- The Original Series counterpart to DRADIS is simply referred to as the scanner.
See Also[edit]
References[edit]
- ↑ In "The Hand of God", some viewers believed that Starbuck said, "The decoy ships will jump into the enemy star system at extreme radar range from the Cylon asteroid." The use of "radar" would be a continuity error as official sources confirmed that "radar" does not exist in the Re-imagined Series. Others believed that actress Katee Sackhoff said "extreme Raider range", the range of the Raiders from the Cylon base, and the word was slurred so that it sounded vaguely like "radar". The matter was put to rest when Battlestar Wiki asked the writer of this episode, Bradley Thompson, who confirmed that the line in the script was "...extreme Viper range...". The final line must have been looped in during post-production without his input (probably to keep from spoiling the plot). Thompson confirmed that the final line sounded like "Raider".