PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/26-02:27:40
G08     285.0          21.5                9.3 +/-    1.37      19.7 +/-    1.37  0.070 / 0.150
G10     35.8           61.5                8.1 +/-    1.10       9.1 +/-    1.10  0.090 / 0.150
G14     241.2          55.5               11.1 +/-    2.53      13.2 +/-    2.53  0.070 / 0.140
G18     317.2          20.4                4.4 +/-    2.06       9.7 +/-    2.06  0.070 / 0.110
G20     80.0           46.0                8.1 +/-    1.19      10.8 +/-    1.19  0.070 / 0.090
G21     151.8          29.8               11.4 +/-    2.48      20.1 +/-    2.48  0.090 / 0.080
G24     47.5           19.8                5.8 +/-    2.00      12.9 +/-    2.00  0.130 / 0.350
G27     243.6          25.6               11.4 +/-    1.40      22.0 +/-    1.40  0.110 / 0.380
G31     180.2          17.6               12.7 +/-    2.53      29.6 +/-    2.53  0.030 / 0.030
G32     275.8          74.5                8.5 +/-    0.83       8.8 +/-    0.83  0.030 / 0.020