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The final satellite of the Block IIA series was decommissioned on 09 October 2019. [4] The operational constellation now includes Block IIR, IIRM, IIF and III variants. Because the Evolved Expendable Launch Vehicles are more powerful than the Delta II , which was used to orbit earlier Block II GPS satellites, they can place the satellites ...
OPS 5114, also known as Navstar 4, GPS I-4 and GPS SVN-4, was an American navigation satellite launched in 1978 as part of the Global Positioning System development programme. It was the fourth of eleven Block I GPS satellites to be launched.
The low-energy effective field theory of type IIA string theory is given by type IIA supergravity. [ 15 ] : 187 The fields correspond to the different massless excitations of the string, with the metric, 2-form B {\displaystyle B} , and dilaton being NSNS states that are found in all string theories, while the 3-form and 1-form fields ...
USA-96 was launched at 17:04:00 UTC on 26 October 1993, atop a Delta II launch vehicle, flight number D223, flying in the 7925-9.5 configuration. [4] The launch took place from Launch Complex 17B (LC-17B) at the Cape Canaveral Air Force Station (CCAFS), [5] and placed USA-96 into a transfer orbit.
Originally debuting as either a 1.0 L (973 cc) straight-3 or 1.2 L (1,199 cc) straight-4; a 1.4 L (1,364 cc) I4 variant was added with the introduction of the second generation, replacing the 1.4 L Family 1 engine. The Family 0 engines were produced by Opel Wien in Vienna/Aspern (Austria), by GM in Bupyeong (Korea) and Flint (Michigan, USA).
USA-242 is a 1,630-kilogram (3,590 lb) spacecraft, built by Boeing with a design life of 15 years. [1] It operates from a semi-synchronous medium Earth orbit , at an altitude of 20,459 kilometers (12,713 mi) an inclination of 55 degrees, [ 2 ] in slot 5 of plane C of the GPS constellation . [ 5 ]
USA-83 was launched at 09:20:01 UTC on 7 July 1992, atop a Delta II launch vehicle, flight number D211, flying in the 7925-9.5 configuration. [4] The launch took place from Launch Complex 17B (LC-17B) at the Cape Canaveral Air Force Station (CCAFS), [5] and placed USA-83 into a transfer orbit.