PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-09:12:50
G01     113.9          20.1                5.6 +/-    0.99      12.2 +/-    0.99  0.030 / 0.030
G07     92.9           62.5                6.0 +/-    0.58       6.6 +/-    0.58  0.040 / 0.030
G08     44.2           30.7                3.9 +/-    1.11       6.6 +/-    1.11  0.110 / 0.140
G09     175.8          21.7                4.6 +/-    0.80       9.7 +/-    0.80  0.090 / 0.130
G11     102.8          42.7                7.0 +/-    0.40       9.8 +/-    0.40  0.120 / 0.180
G13     315.0          23.8                3.7 +/-    1.07       7.4 +/-    1.07  0.120 / 0.210
G17     202.7          26.2                5.4 +/-    1.70      10.3 +/-    1.70  0.030 / 0.040
G18     89.1           22.3                4.8 +/-    1.70      10.0 +/-    1.70  0.040 / 0.050
G28     289.3          54.4                5.5 +/-    2.49       6.6 +/-    2.49  0.100 / 0.080
G30     350.7          71.4                5.1 +/-    0.35       5.3 +/-    0.35  0.060 / 0.120