PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-02:12:50
G02     202.3          35.8                7.1 +/-    1.63      11.1 +/-    1.63  0.080 / 0.090
G06     163.4          67.7                5.6 +/-    0.44       6.0 +/-    0.44  0.070 / 0.110
G12     307.0          13.9                3.9 +/-    2.58      10.0 +/-    2.58  0.100 / 0.180
G17     32.7           51.9                4.1 +/-    1.48       5.0 +/-    1.48  0.090 / 0.260
G19     359.9          65.6                3.1 +/-    0.64       3.4 +/-    0.64  0.030 / 0.020
G24     299.2          37.4                2.7 +/-    3.31       4.2 +/-    3.31  0.040 / 0.030
G28     102.3          31.1                5.0 +/-    1.08       8.6 +/-    1.08  0.050 / 0.040