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- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 definition "Laser ranging observatories are located around the world. There are three kinds of stations; fixed, movable and highly mobile. In a fixed system, the laser is permanently located at a pier or foundation that does not change position. The movable systems are different. NASA operates four stations known as Mobile Laser Ranging Systems (MOBLAS), in movable locations. MOBLAS usually consist of two trailer vans which can be driven to a given observing location and set up for an observing session that will then last for months or years at that site. Because of the time-consuming setup and breakdown process, these movable systems are rarely moved. The MOBLAS at Goddard is one of three NASA SLR's located in North America. The fourth is in Yarragadee, Australia. Four of the NASA stations are the highly-mobile type called Transportable Laser Ranging Systems (TLRS). They are newer systems which are smaller versions of the fixed and movable SLR systems. They are complete systems able to operate from a pad accessible by road, and require relatively short setup and breakdown times. Because of the need to sample the orbit of the retroreflector satellite, however, the duration of recording is generally measured in terms of weeks to months. These have been placed in locations such as Chile, French Polynesia, Peru and several sites in North America, Mexico and Europe. The other two NASA systems are fixed systems located in Texas and Hawaii and are operated for NASA by local universities. [Summary provided by NASA]" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 id "1655420" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_id 6015ef7b-f3bd-49e1-9193-cc23db566b69 @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_id a3ce2cfb-5488-4301-83c2-64bbc090c397 @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_id b2140059-b3ca-415c-b0a7-3e142783ffe8 @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_id c8fe757b-b530-4d67-a553-e4903f4430a5 @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_id e87a9716-cf7e-42c7-8e70-a45e6ee337d2 @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_label "Active Remote Sensing" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_label "Earth Remote Sensing Instruments" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_label "Instruments" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_label "Laser Ranging" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 path_label "Positioning/Navigation" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 prefLabel "MOBLAS" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 reference "" @default.
- bc9d34c8-4d8d-4434-aff9-dd8d8aa49793 tag "Instruments" @default.