该程序是一个将RTCM格式转化为ASCII格式的C程序，外国人写的，很好，对于学习RTCM格式及其编程很有帮助。

该程序是一个将RTCM格式转化为ASCII格式的C程序，外国人写的，很好，对于学习RTCM格式及其编程很有帮助。-The program is a RTCM format to ASCII format into a C program, written by foreigners, very good for learning programming RTCM format and very helpful.