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Action-adventure, sandbox. Mode (s) Single-player, multiplayer. Terraria ( / təˈrɛəriə / ⓘ [1]) is a 2011 action-adventure sandbox game developed by Re-Logic. The game was first released for Windows and has since been ported to other PC and console platforms. The game features exploration, crafting, building, painting, and combat with a ...
Satellite Catalog Number. The Satellite Catalog Number ( SATCAT, also known as NORAD (North American Aerospace Defense) Catalog Number, NORAD ID, USSPACECOM object number or simply catalog number, among similar variants) is a sequential nine-digit number assigned by the United States Space Command (USSPACECOM) in the order of launch or ...
Cell Global Identity ( CGI) is a globally unique identifier for a Base Transceiver Station in mobile phone networks. [1] It consists of four parts: Mobile Country Code (MCC), Mobile Network Code (MNC), Location Area Code (LAC) and Cell Identification (CI). It is an integral part of 3GPP specifications for mobile networks, for example, for ...
The Maidenhead Locator System (a.k.a. QTH Locator and IARU Locator) is a geocode system used by amateur radio operators to succinctly describe their geographic coordinates, which replaced the deprecated QRA locator, which was limited to European contacts. [1] Its purpose is to be concise, accurate, and robust in the face of interference and ...
The first two Galileo In-Orbit Validation satellites were launched by Soyuz ST-B flown from Centre Spatial Guyanais on 21 October 2011, [57] and the remaining two on 12 October 2012. [58] As of 2017, the satellites are fully useful for precise positioning and geodesy with a limited usability in navigation.
Real-time locating systems ( RTLS ), also known as real-time tracking systems, are used to automatically identify and track the location of objects or people in real time, usually within a building or other contained area. Wireless RTLS tags are attached to objects or worn by people, and in most RTLS, fixed reference points receive wireless ...
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OpenCelliD is a collaborative community project that collects GPS positions of cell towers and their corresponding location area identity . More than 49,000 contributors are registered with OpenCelliD, contributing more than 1 million new measurements every day on average to the OpenCelliD database. As of August 21, 2017 the database contained ...