PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-06:28:00
G01     123.4          12.9                5.6 +/-    3.06      14.6 +/-    3.06  0.030 / 0.030
G07     62.6           68.6                5.3 +/-    0.91       5.7 +/-    0.91  0.030 / 0.030
G08     49.5           38.8                4.9 +/-    1.14       7.3 +/-    1.14  0.080 / 0.090
G09     176.2          32.3                6.1 +/-    1.34      10.2 +/-    1.34  0.080 / 0.100
G11     118.4          37.6                6.9 +/-    1.22      10.4 +/-    1.22  0.040 / 0.030
G13     320.0          14.8                3.6 +/-    1.80       9.1 +/-    1.80  0.030 / 0.040
G17     199.9          15.9                5.4 +/-    2.46      13.2 +/-    2.46  0.080 / 0.090
G28     271.3          48.0                6.1 +/-    2.23       7.9 +/-    2.23  0.090 / 0.090
G30     331.7          60.5                4.6 +/-    0.70       5.2 +/-    0.70  0.070 / 0.050