PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-14:28:10
G01     122.2          15.6               11.4 +/-    1.94      27.9 +/-    1.94  0.190 / 0.280
G07     70.6           68.2                9.7 +/-    0.44      10.4 +/-    0.44  0.220 / 0.280
G08     46.6           34.6                9.4 +/-    1.40      15.1 +/-    1.40  0.030 / 0.030
G09     176.5          28.5               10.5 +/-    1.53      19.1 +/-    1.53  0.030 / 0.030
G11     111.0          38.4               12.0 +/-    1.38      17.9 +/-    1.38  0.150 / 0.260
G13     319.2          16.7                7.3 +/-    2.17      17.4 +/-    2.17  0.230 / 0.180
G17     201.1          20.3                9.0 +/-    2.58      19.7 +/-    2.58  0.090 / 0.130
G18     97.8           19.4               10.9 +/-    1.75      24.2 +/-    1.75  0.080 / 0.120
G28     286.2          55.8                8.7 +/-    2.65      10.3 +/-    2.65  0.060 / 0.070
G30     340.0          65.3                9.3 +/-    0.70      10.2 +/-    0.70  0.070 / 0.120