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Ship earth station aerials on board high-seas yacht Inmarsat ship earth station on poop of a yacht. Ship earth station (also: ship earth radio station) is – according to Article 1.78 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A mobile earth station in the maritime mobile-satellite service located on board ship."
Earth station (article 1.63) Mobile earth station (article 1.68) of the mobile-satellite service (article 1.25) Land earth station (article 1.70) of the fixed-satellite service (article 1.21) or mobile-satellite service Land mobile earth station (article 1.74) of the land mobile-satellite service (article 1.27) Base earth station (article 1.72 ...
A wooden tripod holding an optical level is set up firmly on the ground. Levelling or leveling (American English; see spelling differences) is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum.
This page was last edited on 14 November 2018, at 11:01 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Land earth station, here: aerial for feeder link (uplink). A land earth station (also: land earth radio station) is – according to Article 1.70 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "An earth station in the fixed-satellite service or, in some cases, in the mobile-satellite service, located at a specified fixed point or within a ...
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Land mobile earth station of the land mobile-satellite service, to send news via satellite link used by TVNZ reporters. Mobile earth station (also: mobile earth radio station) is – according to Article 1.68 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "An earth station in the mobile-satellite service intended to be used while in motion or ...
Lunarcrete, also known as "mooncrete", an idea first proposed by Larry A. Beyer of the University of Pittsburgh in 1985, is a hypothetical construction aggregate, similar to concrete, formed from lunar regolith, that would reduce the construction costs of building on the Moon. [3]