PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/19-02:28:00
G08     318.1          13.5                7.2 +/-    0.92      18.6 +/-    0.92  0.050 / 0.080
G10     311.9          56.0                9.2 +/-    1.10      10.8 +/-    1.10  0.060 / 0.060
G14     213.4          18.1                9.5 +/-    3.04      22.0 +/-    3.04  0.140 / 0.440
G15     45.7           22.2                5.3 +/-    0.67      11.1 +/-    0.67  0.150 / 0.680
G20     334.5          63.0               10.1 +/-    0.48      11.2 +/-    0.48  0.030 / 0.040
G21     118.6          68.3                9.4 +/-    0.80      10.1 +/-    0.80  0.030 / 0.050
G24     85.8           28.9                8.3 +/-    1.30      14.8 +/-    1.30  0.070 / 0.130
G27     289.6          37.1                8.3 +/-    1.47      12.8 +/-    1.47  0.070 / 0.130
G32     214.9          43.1               11.5 +/-    0.92      15.9 +/-    0.92  0.030 / 0.050