PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-06:58:00
G01     53.2           26.9                3.1 +/-    2.07       5.8 +/-    2.07  0.060 / 0.040
G06     177.7          19.9                5.0 +/-    1.82      10.9 +/-    1.82  0.050 / 0.040
G07     143.9          17.4                5.5 +/-    1.66      12.9 +/-    1.66  0.100 / 0.290
G11     46.9           22.9                2.9 +/-    3.09       5.9 +/-    3.09  0.110 / 0.290
G13     254.9          34.1                7.5 +/-    1.30      12.0 +/-    1.30  0.080 / 0.120
G15     286.9          16.8                3.6 +/-    1.70       8.5 +/-    1.70  0.100 / 0.120
G17     281.3          79.1                7.2 +/-    0.78       7.3 +/-    0.78  0.050 / 0.050
G19     238.1          57.7                6.9 +/-    2.30       8.0 +/-    2.30  0.040 / 0.050
G28     30.1           59.2                5.2 +/-    1.49       5.9 +/-    1.49  0.030 / 0.020
G30     148.0          50.7                8.5 +/-    0.42      10.6 +/-    0.42  0.020 / 0.020