PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-03:57:50
G02     238.8          76.6                2.7 +/-    0.42       2.8 +/-    0.42  0.180 / 0.250
G05     171.4          15.6                4.6 +/-    2.13      11.4 +/-    2.13  0.150 / 0.260
G06     41.0           61.6                1.9 +/-    0.70       2.2 +/-    0.70  0.030 / 0.030
G12     321.3          49.1                2.6 +/-    0.46       3.3 +/-    0.46  0.030 / 0.030
G17     68.6           25.4                4.7 +/-    1.00       9.2 +/-    1.00  0.050 / 0.050
G19     55.6           39.7                3.8 +/-    1.20       5.5 +/-    1.20  0.030 / 0.080
G24     247.7          35.8                6.4 +/-    1.71      10.0 +/-    1.71  0.060 / 0.100