On June 20, 2019, under the guidance of Prof. Geng Jianghui, Jiang Enming, Long Chiyu and Wang Feng won the second prize of BeiDou-Cup China Adolescents Science & Technology Invention Contest BeiDou Application Challenge by the research work “Pride-Location App”. They have developed an application named "Pride-Location App" based on the raw GNSS observations of Android smartphones and the ultra-fast orbit and clock products provided by IGMAS Analysis Center. This application has a series functions, such as recording the raw GNSS observations of Android smartphones, displaying the precise position on the map and logging the ultra-fast ephemeris products after interpolation. The certificate is showed as follows:

(Correspondence：Jiang Enming, Zhang Qi)