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Ludi Tance-1 01A Sun-synchronous: Ministry of Natural Resources: Earth observation: 26 February 2022 23:44 [80] Long March 4C: F-40 Jiuquan SLS-2: Successful Ludi Tance-1 01B Sun-synchronous: Ministry of Natural Resources: Earth observation: 27 February 2022 03:06 [81] [82] Long March 8: F-2 Wenchang LC-2 Successful Dayun (Xingshidai-17) Sun ...
It is launched from the Jiuquan, Taiyuan, and Xichang Satellite Launch Centers, and consists of 3 stages. Long March 4C vehicles have been used to launch the Yaogan-1, Yaogan-3 synthetic-aperture radar (SAR) satellites and the Fengyun-3A polar orbiting meteorological satellite. On 15 December 2009, a Long March 4C was used to launch Yaogan-8. [3]
On 9 April 2020, a Long March 3B launcher failed after lifting off from the Xichang Satellite Launch Center in the southwestern Sichuan province at 11:46 UTC during the launch of an Indonesian communications satellite, Palapa-N1 (Nusantara Dua) of a mass of 5500 kg and was expected to enter service in geostationary orbit at 113.0° East ...
APT images from weather satellites can be received with a right-hand circular polarized, 137 MHz antenna. Normally, there is no need to have the antenna follow the satellite and a fixed position antenna will provide good results. The two most frequently recommended antennas are the crossed dipole and the quadrifilar helix antenna (QHA or QFH).
A satellite dish is a dish-shaped type of parabolic antenna designed to receive or transmit information by radio waves to or from a communication satellite. The term most commonly means a dish which receives direct-broadcast satellite television from a direct broadcast satellite in geostationary orbit .
The NOAA broadcasts weather warnings and forecasts as the National Weather Radio (NWR) across seven public radio frequencies: 62.400 megahertz, 162.425 MHz, 162.450 MHz, 162.475 MHz, 162.500 MHz ...
Ludi Tance-1 01A (L-SAR 01A) Ministry of Natural Resources: Low Earth Earth observation: In orbit: Operational 31 January 23:11:14 [38] Falcon 9 Block 5: F9-138 Cape Canaveral SLC-40: SpaceX: CSG-2: ASI: Low Earth Earth observation: In orbit: Operational Second COSMO-SkyMed 2nd Generation satellite.
A turnstile antenna, or crossed-dipole antenna, [1] is a radio antenna consisting of a set of two identical dipole antennas mounted at right angles to each other and fed in phase quadrature; the two currents applied to the dipoles are 90° out of phase. [2] [3] The name reflects the notion the antenna looks like a turnstile when mounted ...