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Lincoln Experimental Satellite 1, also known as LES-1, is a communications satellite, the first of nine in the Lincoln Experimental Satellite program. Launched by the United States Air Force (USAF) on February 11, 1965, it pioneered many then-advanced technologies including active use of the military's SHF (super high frequency) band (7 to 8 GHz) to service hundreds of users.
Launch of the Titan IIIA rocket with satellite Lincoln Experimental Satellite 1. The series had satellites named LES-1 through LES-9. They suffered a number of launch problems - LES-1 and LES-2 were supposed to be delivered to the same 2,800 x 15,000 km orbit, [3] though a failure of a boost stage left LES-1 in a 2,800 km circular orbit. [4]
Pages in category "Lincoln Experimental Satellite" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. L. LES-1;
LES-1, also known as Lincoln Experimental Satellite 1, was a communications satellite launched by the United States Air Force on February 11, 1965, to study the use of Super High Frequency radio transmissions. It never achieved optimal orbit and was out of contact for more than 40 years before spontaneously resuming transmissions in 2012.
The Lincoln Calibration Sphere 1, or LCS-1, is a large aluminium sphere in Earth orbit since 6 May 1965.It is still in use, having lasted for over 50 years. [2] [3] The sphere was launched along with the Lincoln Experimental Satellite-2 on a Titan IIIA.
Lincoln Experimental Satellite (5 P) O. Communications satellite operators (15 C, 67 P) P. Communications satellite orbital positions (7 P) S. Satellite broadcasting ...
Lincoln Experimental Satellite (5 P) M. Meridian satellites (7 P) S. Sputnik (17 P) Synchronous Meteorological Satellites (1 C, 1 P) T. Television Infrared ...
[1] Each satellite contained a single 3.5 Watt [7] X-band or SHF transponder receiving at 8.025 GHz and transmitting 7.25–7.3 GHz [3] (similar to the Lincoln Experimental Satellites procured around the same time) [6] capable of concurrently supporting 600 voice or 6000 teletype conversations. [4]