The Marathon wiki

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{{Vehicle infobox
| image = File:DireMarsh GeologicalSurveyDrone.png
| name = Geological survey drone
| manufacturer = [[Traxus]]<ref name="CDXDrone"/>
| product line = 
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| length = 
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| roles = Autonomous scientific survey drone
}}

'''Geological survey drones''' were automated robotic drones utilized by the colonists of the [[UESC Marathon|UESC ''Marathon'']] when first settling [[New Cascadia]].

== Overview ==
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Geological survey drones were, with some modifications, capable of operating in airborne, underwater, or subterranean environments.<ref name="CDXDrone">''Marathon'' (2026), Codex, Survey Drone Cartridge: DRONE MODIFICATIONS</ref>

=== Variants  ===
The following is a list of unauthorized variants utilized by technician [[Z. Christoforos]] during [[New Cascadia]]'s founding:

*[[TOI AP Flex V7]] - Multipurpose<ref name="CDXDrone"/>
*[[TOI Exo-Matrix A9]] - Airborne<ref name="CDXDrone"/>
*[[TOI Exo-Matrix S4]] - Subterranean<ref name="CDXDrone"/>
*[[TOI JJ Capsule Pro]] - Underwater<ref name="CDXDrone"/>

== History ==
During the settling of [[Tau Ceti IV]], airborne drones modified by technician [[Z. Christoforos]] suffered from [[QIDAR]] errors due to what he concluded were distortions in [[Wikipedia:Minkowski space|Minkowski space]]. This was corrected for by switching to traditional [[Wikipedia:Lidar|LIDAR]].<ref name="CDXDrone"/> 

Underwater drones regularly surfaced with almond-shaped sucker marks from an unknown organism. This was corrected for by lining the drones with rows of titanium spikes and [[hypercobalt]] lights.<ref name="CDXDrone"/>

Subterranean drones suffered catastrophic explosions as a result of the same Minkowski space perturbations when exploring cave systems beneath the planet's surface. This was corrected for by switching to manned surveying.<ref name="CDXDrone"/>

Finally, multipurpose drones, which were determined to be the most effective, regularly suffered accumulation of toxic pollen on rotors while doing low-altitude sweeps over potential agricultural sites. This was corrected for by replacing the composite rotors with ones salvaged from a line of [[NuCal]] toys.<ref name="CDXDrone"/>

In the [[Post-Colony Era]], in [[2893]], [[Runner]]s regularly found deactivated survey drones scattered throughout various [[zones]].

== Gallery ==
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<gallery>
File:Outpost Orientation DroneDisplay1.png|A schematic on display in [[Orientation]].
File:Outpost Orientation DroneDisplay2.png|Another schematic on display in Orientation.
</gallery>

== References ==
<references/>
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 {{Stub|section=yes}}
 <gallery>
-File:Perimeter DroneServiceBay.jpg|A survey drone in a service bay at [[Station]].
-File:Perimeter Station Drones.jpg|Survey drones in a maintenance area beneath Station.
-File:Perimeter SubterraneanSurveyDrone.jpg|A drone variant that may be the subterranean [[TOI Exo-Matrix S4]].
-File:Perimeter DroneShellOpen.jpg|The housing of a survey drone opened up in Station.
 File:Outpost Orientation DroneDisplay1.png|A schematic on display in [[Orientation]].
 File:Outpost Orientation DroneDisplay2.png|Another schematic on display in Orientation.