•   System of high-precision determination of ephemeris and time corrections:

        SVOEVP / SHPDETC ICD (5,24 MB)

    •   GLONASS ICD for frequency separated radio signal:

         Navigation radio signal in ranges L1, L2 (version 5.1) (0,83 MB)

         (Information provided from the official web-site of JSC «Russian space systems»)

         web: http://www.russianspacesystems.ru/

    •   GLONASS ICD for frequency separated radio signal:

         Interface control document, Edition 5.1, 2008 (0,63 MB)

         (Information provided from the official web-site of JSC «Russian space systems»)

         web: http://www.russianspacesystems.ru/

    •   GLONASS ICD for code separated radio signal:

         Navigation radio signal in ranges L1 (edition 1), 2016 (1,79 MB)

         (Information provided from the official web-site of JSC «Russian space systems»)

         web: http://www.russianspacesystems.ru/

    •   GLONASS ICD for code separated radio signal:

         Navigation radio signal in ranges L2 (edition 1), 2016 (1,16 MB)

         (Information provided from the official web-site of JSC «Russian space systems»)

         web: http://www.russianspacesystems.ru/

    •   GLONASS ICD for code separated radio signal:

         Navigation radio signal in ranges L3 (edition 1), 2016 (1,36 MB)

         (Information provided from the official web-site of JSC «Russian space systems»)

         web: http://www.russianspacesystems.ru/

    •   GLONASS ICD for code separated radio signal:

         General description of the system, edition 1.0, 2016 (2,47 MB)

         (Information provided from the official web-site of JSC «Russian space systems»)

         web: http://www.russianspacesystems.ru/

    •   Parameters of Earth of 1990 (ПЗ-90.11):

        reference document (1,45 MB)

        (information is received from the Ministry of Defence of the Russian Federation)
        web: http://www.mil.ru//