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EchoStar Corporation is an American company providing satellite communication and Internet services. Its Hughes Network Systems and EchoStar Satellite Services business are operated from its headquarters in Arapahoe County, Colorado. The company also provides television services under the Dish and Sling brands as well as mobile services under ...
6621, 63062. Website. www.Hughes.com. Hughes Network Systems, LLC is a wholly owned subsidiary of EchoStar. [4] It is headquartered in Germantown, Maryland and provides satellite internet service. [5] HughesNet has over a million subscribers in the Americas in late 2023, [6] down from 1.4 million in early 2022.
TDRS Program Logo Location of TDRS as of March 2019 An unflown TDRS on display at the Steven F. Udvar-Hazy Center in Chantilly, Virginia.. The U.S. Tracking and Data Relay Satellite System (TDRSS, pronounced "T-driss") is a network of American communications satellites (each called a tracking and data relay satellite, TDRS) and ground stations used by NASA for space communications.
A very-small-aperture terminal ( VSAT) [1] is a two-way satellite ground station with a dish antenna that is smaller than 3.8 meters. The majority of VSAT antennas range from 75 cm to 1.2 m. Bit rates, in most cases, range from 4 kbit/s up to 16 Mbit/s. VSATs access satellites in geosynchronous orbit or geostationary orbit to relay data from ...
A traveling-wave tube ( TWT, pronounced "twit" [1]) or traveling-wave tube amplifier ( TWTA, pronounced "tweeta") is a specialized vacuum tube that is used in electronics to amplify radio frequency (RF) signals in the microwave range. [2] It was invented by Andrei Haeff around 1933 as a graduate student at Caltech, and its present form was ...
v. t. e. A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Communications satellites are used for television, telephone, radio, internet, and military ...
Boeing 601. The Boeing 601 (sometimes referred to as the BSS-601, and previously as the HS-601) is a communications satellite bus designed in 1985 and introduced in 1987 by Hughes Space and Communications Company. The series was extremely popular in the 1990s, with more than 84 purchased by customers globally. The more advanced 601HP derivative ...
Hughes Electronics Corporation was formed in 1985 when Hughes Aircraft was sold by the Howard Hughes Medical Institute to General Motors for $5.2 billion. Surviving parts of Hughes Electronics are today known as DirecTV Group, while the automotive divisions became Aptiv . On June 5, 1985 General Motors was announced as the winner of a secretive ...