PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-02:43:00
G10     299.0          53.0                9.3 +/-    1.57      11.4 +/-    1.57  0.060 / 0.090
G14     209.9          11.6                2.2 +/-   27.66       6.0 +/-   27.66  0.060 / 0.100
G15     46.0           27.1                6.1 +/-    1.70      11.4 +/-    1.70  0.060 / 0.050
G20     352.4          65.2                9.6 +/-    0.82      10.5 +/-    0.82  0.070 / 0.060
G21     95.8           74.2               10.2 +/-    0.69      10.6 +/-    0.69  0.040 / 0.030
G24     97.8           26.6                7.6 +/-    1.87      14.2 +/-    1.87  0.040 / 0.040
G27     301.3          33.9                7.7 +/-    1.79      12.5 +/-    1.79  0.170 / 0.330
G32     210.7          30.1               12.2 +/-    2.64      21.3 +/-    2.64  0.110 / 0.590