Space Elevator 13
Space Elevator 13 : Structure: (1) Base Station: Modern concepts for the base station/ anchor are typically mobile stations, large oceangoing vessels or other mobile platforms. Mobile base stations have the advantage over the earlier stationary concepts (with land-based anchors) by being able to maneuver to avoid high winds, storms, and space debris. Oceanic anchor points are also typically in international waters, simplifying and reducing cost of negotiating territory use for the base station. Stationary land based platforms have simpler and less costly logistical access to the base. They also have an advantage of being able to be at high altitude, such as on top of mountains, or even potentially on high towers. This reduces how deep down into the Earth's gravity field the cable needs to extend, and so reduces the critical strength-to-density requirements for the cable material (with all other design factors being equal)
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