PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-10:42:40
G01     67.8           31.8                4.3 +/-    0.93       7.3 +/-    0.93  0.040 / 0.060
G07     137.7          27.9                5.8 +/-    1.69      10.7 +/-    1.69  0.040 / 0.050
G11     53.0           31.5                3.5 +/-    1.28       6.0 +/-    1.28  0.060 / 0.110
G13     271.4          38.4                7.8 +/-    0.88      11.6 +/-    0.88  0.080 / 0.110
G15     302.5          14.7                1.3 +/-    2.00       3.3 +/-    2.00  0.040 / 0.030
G17     232.7          67.6                7.5 +/-    1.09       8.0 +/-    1.09  0.030 / 0.040
G18     47.3           17.3                2.4 +/-    1.36       5.6 +/-    1.36  0.060 / 0.080
G19     224.2          45.2                7.9 +/-    2.32      10.6 +/-    2.32  0.050 / 0.070
G28     7.6            61.1                3.3 +/-    0.53       3.7 +/-    0.53  0.130 / 0.200
G30     137.2          62.1                6.8 +/-    0.68       7.5 +/-    0.68  0.130 / 0.210