PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/07-02:57:30
G02     204.8          43.6                7.5 +/-    1.02      10.3 +/-    1.02  0.080 / 0.140
G06     150.7          75.0                6.9 +/-    0.61       7.1 +/-    0.61  0.070 / 0.160
G12     310.9          19.5                3.2 +/-    2.04       7.1 +/-    2.04  0.070 / 0.200
G17     40.2           46.3                3.5 +/-    1.48       4.6 +/-    1.48  0.110 / 0.180
G19     14.5           61.0                4.1 +/-    0.71       4.6 +/-    0.71  0.030 / 0.020
G24     290.7          40.4                3.1 +/-    7.14       4.5 +/-    7.14  0.030 / 0.020
G28     109.1          26.1                5.5 +/-    0.86      10.4 +/-    0.86  0.030 / 0.040