PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-06:28:10
G08     313.2          16.5                5.9 +/-    2.37      14.1 +/-    2.37  0.120 / 0.310
G10     327.7          59.3                3.0 +/-    0.58       3.5 +/-    0.58  0.120 / 0.290
G14     217.5          24.5                7.0 +/-    0.92      13.8 +/-    0.92  0.030 / 0.040
G15     46.5           12.7                1.2 +/-    0.46       3.2 +/-    0.46  0.040 / 0.050
G20     56.2           50.7                4.3 +/-    0.66       5.3 +/-    0.66  0.060 / 0.080
G21     132.0          59.7                7.1 +/-    1.08       8.1 +/-    1.08  0.070 / 0.070
G24     76.1           29.9                4.9 +/-    0.47       8.6 +/-    0.47  0.030 / 0.040
G27     277.3          37.7                7.1 +/-    0.81      10.7 +/-    0.81  0.030 / 0.040
G32     221.4          52.1                9.7 +/-    1.99      12.0 +/-    1.99  0.150 / 0.210