PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-09:12:20
G02     202.5          28.6                6.1 +/-    1.91      11.1 +/-    1.91  0.110 / 0.090
G06     165.5          63.8                6.8 +/-    0.51       7.5 +/-    0.51  0.110 / 0.070
G12     304.9          12.3                1.3 +/-    4.06       3.4 +/-    4.06  0.030 / 0.030
G17     34.1           50.5                4.0 +/-    1.12       5.0 +/-    1.12  0.030 / 0.030
G19     341.3          68.5                3.7 +/-    0.41       4.0 +/-    0.41  0.210 / 0.290
G24     299.2          38.8                3.7 +/-    2.90       5.5 +/-    2.90  0.220 / 0.240
G28     96.9           35.6                6.1 +/-    0.80       9.6 +/-    0.80  0.030 / 0.030