PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-04:12:40
G01     81.0           31.8                6.6 +/-    0.47      11.2 +/-    0.47  0.030 / 0.030
G07     129.7          41.1                7.9 +/-    0.93      11.2 +/-    0.93  0.030 / 0.030
G11     65.5           41.2                5.4 +/-    0.47       7.7 +/-    0.47  0.060 / 0.090
G13     286.8          38.7                5.5 +/-    1.77       8.2 +/-    1.77  0.060 / 0.100
G15     309.0          13.9                3.1 +/-    1.16       7.9 +/-    1.16  0.040 / 0.090
G17     217.3          59.7                7.1 +/-    0.47       8.1 +/-    0.47  0.040 / 0.080
G19     216.0          34.4                7.3 +/-    1.80      11.7 +/-    1.80  0.030 / 0.070
G28     340.3          61.3                5.1 +/-    0.52       5.8 +/-    0.52  0.030 / 0.080
G30     115.8          76.3                6.6 +/-    0.74       6.8 +/-    0.74  0.060 / 0.050