PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-06:27:50
G01     128.6          10.4               -4.7 +/-   33.10     -12.9 +/-   33.10  0.110 / 0.070
G07     49.1           69.1                2.0 +/-    0.76       2.1 +/-    0.76  0.090 / 0.070
G08     51.6           40.2                1.0 +/-    1.29       1.4 +/-    1.29  0.030 / 0.030
G09     178.1          38.2                6.5 +/-    0.75       9.7 +/-    0.75  0.030 / 0.020
G11     119.9          33.2                5.2 +/-    1.79       8.5 +/-    1.79  0.220 / 0.250
G17     199.2          14.5                3.0 +/-    3.43       7.7 +/-    3.43  0.180 / 0.220
G23     161.1          10.8                4.7 +/-    1.48      12.8 +/-    1.48  0.040 / 0.060
G28     274.0          52.3                2.3 +/-    2.80       2.9 +/-    2.80  0.060 / 0.070
G30     331.2          58.9                0.8 +/-    0.70       0.9 +/-    0.70  0.060 / 0.070