PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-10:57:40
G01     60.1           30.0                3.3 +/-    0.56       5.8 +/-    0.56  0.040 / 0.050
G07     141.2          21.6                5.0 +/-    1.22      10.5 +/-    1.22  0.040 / 0.060
G11     49.0           26.3                3.6 +/-    1.28       6.9 +/-    1.28  0.050 / 0.110
G13     262.6          36.6                8.2 +/-    0.72      12.7 +/-    0.72  0.050 / 0.130
G15     296.2          15.6                3.7 +/-    2.99       9.0 +/-    2.99  0.030 / 0.030
G17     248.2          73.4                7.0 +/-    0.41       7.3 +/-    0.41  0.040 / 0.030
G18     42.4           13.3                1.2 +/-    1.20       3.1 +/-    1.20  0.040 / 0.050
G19     230.6          51.6                8.8 +/-    0.85      10.9 +/-    0.85  0.040 / 0.060
G28     20.7           60.1                4.3 +/-    0.77       4.9 +/-    0.77  0.080 / 0.240
G30     143.3          55.1                5.6 +/-    1.66       6.7 +/-    1.66  0.090 / 0.190