PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-04:42:50
G01     95.0           30.4                9.1 +/-    1.21      15.8 +/-    1.21  0.140 / 0.150
G07     121.9          46.9                9.3 +/-    0.67      12.2 +/-    0.67  0.180 / 0.130
G11     71.6           40.5                7.6 +/-    1.09      11.0 +/-    1.09  0.030 / 0.030
G13     298.8          35.0                5.7 +/-    1.37       9.0 +/-    1.37  0.020 / 0.030
G17     210.5          52.2                8.9 +/-    0.92      11.0 +/-    0.92  0.030 / 0.030
G19     212.8          21.1                6.3 +/-    2.06      13.6 +/-    2.06  0.030 / 0.050
G28     336.1          61.7                5.7 +/-    0.44       6.3 +/-    0.44  0.060 / 0.030
G30     80.6           79.8                7.2 +/-    0.22       7.3 +/-    0.22  0.030 / 0.040