PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-04:43:10
G01     64.0           30.8                5.3 +/-    0.91       9.1 +/-    0.91  0.040 / 0.030
G07     139.1          27.9                7.4 +/-    0.87      13.5 +/-    0.87  0.030 / 0.030
G11     52.8           32.2                3.8 +/-    1.28       6.3 +/-    1.28  0.050 / 0.110
G13     267.9          38.1                7.1 +/-    1.50      10.7 +/-    1.50  0.060 / 0.110
G15     296.3          17.1                3.5 +/-    1.75       8.3 +/-    1.75  0.060 / 0.120
G17     239.7          73.3                7.0 +/-    0.71       7.3 +/-    0.71  0.080 / 0.140
G19     226.1          48.0                7.7 +/-    1.13      10.0 +/-    1.13  0.050 / 0.130
G28     8.6            61.1                3.2 +/-    0.53       3.6 +/-    0.53  0.050 / 0.120
G30     140.2          62.5                9.0 +/-    0.50      10.0 +/-    0.50  0.040 / 0.050