PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-00:27:30
G08     300.1          20.8                8.1 +/-    2.22      17.4 +/-    2.22  0.060 / 0.080
G10     6.4            62.7                6.6 +/-    0.44       7.3 +/-    0.44  0.050 / 0.110
G14     227.2          43.0               11.5 +/-    1.88      16.0 +/-    1.88  0.080 / 0.110
G20     62.6           53.2                7.8 +/-    0.97       9.4 +/-    0.97  0.070 / 0.180
G21     145.8          43.5                9.3 +/-    1.15      12.8 +/-    1.15  0.030 / 0.030
G24     58.9           27.0                5.9 +/-    1.71      11.0 +/-    1.71  0.040 / 0.030
G27     257.2          33.2                9.1 +/-    1.19      15.0 +/-    1.19  0.040 / 0.070
G32     240.7          65.7               10.1 +/-    0.43      11.0 +/-    0.43  0.040 / 0.090