PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-02:27:50
G10     300.0          53.3               10.3 +/-    1.48      12.5 +/-    1.48  0.040 / 0.040
G14     210.1          12.1               10.1 +/-   23.16      26.9 +/-   23.16  0.040 / 0.040
G15     45.9           26.6                7.8 +/-    1.30      14.7 +/-    1.30  0.070 / 0.100
G20     353.8          65.2                9.2 +/-    1.40      10.0 +/-    1.40  0.060 / 0.090
G21     97.7           73.9               10.5 +/-    0.59      10.9 +/-    0.59  0.040 / 0.050
G24     97.2           26.8               11.0 +/-    1.47      20.6 +/-    1.47  0.040 / 0.050
G27     300.7          34.2               10.4 +/-    1.47      16.8 +/-    1.47  0.110 / 0.610
G32     210.9          30.8               13.3 +/-    1.83      22.8 +/-    1.83  0.160 / 0.620