Читать книгу Global Navigation Satellite Systems, Inertial Navigation, and Integration - Mohinder S. Grewal - Страница 35

The BDS‐2 and BDS‐3 operate on various frequencies in the L1 (BDS‐3 B1C signal at 1575.42 MHz), E6 (BDS B3I signal at 1268.5 MHz), E5 (BDS‐2 and BDS‐3 at 1207.14 MHz; and BDS‐3 (B2a) at 1176.45 MHz). These signals use various navigation data formats from the BDS MEO, GEO, or IGSO satellites to support global and regional civil services. Details of this section are given in Chapter 4.