Local ionospheric plasma bubble revealed by BDS Geostationary Earth Orbit satellite observations

GPS Solutions ◽  
2021 ◽  
Vol 25 (3) ◽  
Author(s):  
Xiaomin Luo ◽  
Yidong Lou ◽  
Shengfeng Gu ◽  
Guozhu Li ◽  
Chao Xiong ◽  
...  
2021 ◽  
Vol 34 ◽  
pp. 85-92
Author(s):  
Ya.O. Romanyuk ◽  
O.V. Shulga ◽  
L.S. Shakun ◽  
M.I. Koshkin ◽  
Ye.B. Vovchyk ◽  
...  

The article describes the successes and challenges of the Ukrainian network of optical stations (UMOS) in recent years in the field of astrometric observations of artificial space objects both in low-Earth orbit (LEO) and geostationary Earth orbit (GEO). UMOS was established in 2012 as a joint partnership of organizations interested in satellite observations for scientific purposes and practical near Earth space monitoring. The main purpose of the UMOS has been (and still is) to combine scientific and technical means with regular optical (positional and / or non-positional) observation. The short list of equipment of the UMOS members are given in the tables. The programs for observations, used methods and obtained results are described in the paper. In conclusion, the advantages of observations of artificial space objects by means of a network are summarized. The experience of UMOS and main results obtained by UMOS can be considered as the first step to create the SSA system of Ukraine.


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