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Instruments of Nimbus 1. Nimbus 1 was launched on August 28, 1964, by a Thor-Agena rocket from Vandenberg Air Force Base, California, United States. The spacecraft functioned nominally until September 22, 1964. It re-entered Earth's atmosphere on May 16, 1974. The satellite orbited the Earth once every 1 hour and 38 minutes, at an inclination ...
The Nimbus satellites were launched aboard Thor-Agena rockets (Nimbus 1–4) and Delta rockets (Nimbus 5–7). Over a 20-year period from the launch of the first satellite, the Nimbus series of missions was the United States' primary research and development platform for satellite remote sensing of the Earth. The seven Nimbus satellites ...
NOAA-9 (F): Launched 12 December 1984 into 470 nmi "afternoon" orbit and was the first satellite to carry an SBUV/2 instrument. It was deactivated on 1 August 1993 but was reactivated three weeks later, after the failure of NOAA-13. The SARR transmitter failed on 18 December 1997 and the satellite was permanently deactivated on 13 February 1998.
A satellite finder (or sat finder) is a satellite field strength meter used to accurately point satellite dishes at communications satellites in geostationary orbit. [ 14 ] [ 15 ] [ 16 ] Professional satellite finder meters allow better dish alignment and provide received signal parameter values as well.
First commercial communications satellite in geosynchronous orbit [1] April 6, 1965 United States: Orbita: First national TV network based on satellite television: November 1967 Soviet Union: Nimbus 3: First satellite-based search and rescue system First satellite to locate and command remote weather stations to transmit data back to satellite ...
Universal Satellites Automatic Location System (USALS), also known (unofficially) as DiSEqC 1.3, Go X or Go to XX is a satellite dish motor protocol that automatically creates a list of available satellite positions in a motorised satellite dish setup. It is used in conjunction with the DiSEqC 1.2 protocol.
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A beam waveguide antenna is a type of complicated Cassegrain antenna with a long radio wave path to allow the feed electronics to be located at ground level. It is used in very large steerable radio telescopes and satellite ground antennas, where the feed electronics are too complicated and bulky, or requires too much maintenance and alterations, to locate on the dish; for example those using ...