Читать книгу Global Navigation Satellite Systems, Inertial Navigation, and Integration - Mohinder S. Grewal - Страница 26

The first of next‐generation GLONASS‐K satellites was first launched on 26 February 2011 and continues to undergo flight tests. This satellite transmits the legacy FDMA (frequency division multiple access) GLONASS signals and a L3OC code‐division multiple access (CDMA) signal at a frequency of 1202 MHz. Other GLONASS CDMA signals are under development within the legacy L1 (L1OC signal) and L2 (L2OC signal) bands.