PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-06:12:30
G01     128.1          10.8               -9.0 +/-   37.44     -24.6 +/-   37.44  0.040 / 0.060
G07     50.7           69.1                4.1 +/-    0.36       4.4 +/-    0.36  0.050 / 0.080
G08     51.2           39.8                3.9 +/-    0.69       5.7 +/-    0.69  0.030 / 0.050
G09     178.2          37.6                7.7 +/-    1.19      11.7 +/-    1.19  0.040 / 0.050
G11     119.4          33.6                7.9 +/-    1.13      12.9 +/-    1.13  0.150 / 0.260
G17     199.3          15.0                4.1 +/-    1.86      10.2 +/-    1.86  0.090 / 0.220
G23     161.1          10.2                2.9 +/-    2.47       8.1 +/-    2.47  0.030 / 0.030
G28     274.9          52.6                5.1 +/-    0.80       6.3 +/-    0.80  0.030 / 0.040
G30     332.0          59.5                3.7 +/-    1.38       4.2 +/-    1.38  0.060 / 0.080