PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/12-07:58:10
G01     310.1          30.9                5.9 +/-    2.19      10.2 +/-    2.19  0.080 / 0.150
G10     102.3          42.5                5.9 +/-    0.80       8.3 +/-    0.80  0.070 / 0.170
G11     286.3          27.6                4.3 +/-    1.13       7.9 +/-    1.13  0.090 / 0.120
G14     337.4          68.9                5.4 +/-    0.95       5.8 +/-    0.95  0.080 / 0.110
G18     283.7          48.7                4.8 +/-    1.04       6.2 +/-    1.04  0.060 / 0.060
G20     119.0          12.0                5.0 +/-    3.07      13.3 +/-    3.07  0.060 / 0.060
G22     309.1          25.6                4.6 +/-    1.26       8.9 +/-    1.26  0.030 / 0.050
G25     86.0           15.5                4.1 +/-    1.31      10.0 +/-    1.31  0.040 / 0.050
G31     165.3          63.0                7.8 +/-    0.92       8.6 +/-    0.92  0.080 / 0.200
G32     34.5           53.5                4.4 +/-    0.55       5.4 +/-    0.55  0.080 / 0.190