Rinex3.04协议标准
RINEX 3.04 Updates and Changes：
1.Added new signals to the GLONASS (Table 5), QZSS II (Table 8) and BeiDou III (Table 9) signal tables and updated Table A23
2.Added section 9.12 to describe new signals from the GLONASS, QZSS II and BeiD
