PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/25-08:42:50
G07     345.3          62.2                4.2 +/-    0.74       4.7 +/-    0.74  0.030 / 0.040
G08     97.3           53.7                7.5 +/-    0.72       9.0 +/-    0.72  0.030 / 0.040
G09     185.3          68.7                6.5 +/-    0.57       6.9 +/-    0.57  0.170 / 0.100
G11     143.4          16.9                3.8 +/-    1.56       9.1 +/-    1.56  0.090 / 0.110
G23     156.1          34.4                5.3 +/-    0.93       8.6 +/-    0.93  0.040 / 0.030
G27     51.3           29.4                4.6 +/-    1.39       8.2 +/-    1.39  0.030 / 0.030
G28     238.8          26.9                5.4 +/-    2.14      10.1 +/-    2.14  0.040 / 0.040
G30     305.3          38.0                5.2 +/-    1.58       7.9 +/-    1.58  0.040 / 0.040