伪距单点定位，Rinex文件读取数据解析，计算卫星在轨位置，计算测站坐标-Pseudo-range single-point positioning, Rinex file read the data analysis, calculation of satellite position in orbit to calculate station coordinates

实现指定位置打印，适合打印票据，含数据库文件。(Print at specified location, suitable for printing bills.include Database file.)