PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/28-04:42:40
G01     312.6          28.4                5.7 +/-    2.29      10.3 +/-    2.29  0.130 / 0.220
G10     98.2           44.8                6.6 +/-    0.80       8.9 +/-    0.80  0.210 / 0.280
G11     289.2          27.6                5.4 +/-    2.44       9.9 +/-    2.44  0.090 / 0.100
G14     332.9          69.8                5.6 +/-    0.88       6.0 +/-    0.88  0.130 / 0.110
G18     288.5          47.9                0.9 +/-   13.76       1.2 +/-   13.76  0.050 / 0.130
G20     110.2          39.4               12.3 +/-    1.37      18.0 +/-    1.37  0.060 / 0.140
G22     307.1          20.5                5.9 +/-    4.16      12.8 +/-    4.16  0.040 / 0.050
G25     88.6           14.1                4.4 +/-    1.81      11.2 +/-    1.81  0.030 / 0.040
G31     168.1          58.9                9.5 +/-    0.88      10.9 +/-    0.88  0.170 / 0.330
G32     30.5           56.1                4.6 +/-    1.35       5.4 +/-    1.35  0.310 / 0.280