PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-02:27:50
G02     202.7          37.1                7.7 +/-    0.87      11.8 +/-    0.87  0.070 / 0.130
G06     162.1          69.0                6.3 +/-    0.28       6.7 +/-    0.28  0.070 / 0.130
G12     307.7          14.8                3.0 +/-    1.15       7.5 +/-    1.15  0.140 / 0.370
G17     34.1           50.9                3.8 +/-    0.98       4.8 +/-    0.98  0.070 / 0.220
G19     2.7            64.9                3.3 +/-    0.63       3.6 +/-    0.63  0.040 / 0.040
G24     297.9          38.0                4.0 +/-    2.13       6.0 +/-    2.13  0.040 / 0.050
G28     103.5          30.3                6.0 +/-    1.09      10.4 +/-    1.09  0.030 / 0.030