PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-09:12:50
G01     112.7          22.2                5.7 +/-    1.61      12.0 +/-    1.61  0.030 / 0.030
G07     97.6           61.6                7.7 +/-    0.28       8.7 +/-    0.28  0.030 / 0.040
G08     42.3           23.4                3.4 +/-    1.77       6.9 +/-    1.77  0.030 / 0.020
G09     172.5          14.5                6.2 +/-    1.79      15.5 +/-    1.79  0.030 / 0.020
G11     95.3           42.0                7.1 +/-    0.71      10.0 +/-    0.71  0.090 / 0.150
G13     313.6          25.1                3.3 +/-    1.56       6.5 +/-    1.56  0.110 / 0.150
G17     203.0          33.6                6.7 +/-    1.02      11.0 +/-    1.02  0.090 / 0.180
G18     85.1           22.9                5.4 +/-    1.48      11.2 +/-    1.48  0.180 / 0.180
G28     304.3          59.2                5.6 +/-    1.20       6.4 +/-    1.20  0.090 / 0.160
G30     356.8          73.4                6.2 +/-    1.28       6.4 +/-    1.28  0.090 / 0.140