This study shows the way of ionospheric data usage obtained from 2 Tables using D2 NAV message Chinese BeiDou system. It was identified particular algorithms for Table’s calculation. Authors also suggested data Table 2 modification and special algorithms useful for that Table. It was given calculated examples for BeiDou system Tables as well as for new suggested system.
 BeiDou Navigation Satellite System, Signal In Space, Interface Control Document, Open Service Signal (Version 2.0), China Satellite Navigation Office, December 2013, [online], http://www2.unb.ca/gge/Resources/beidou_icd_english_ver2.0.pdf [access 17.06.2016].