PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-02:43:10
G07     317.7          52.2                6.3 +/-    0.99       7.8 +/-    0.99  0.040 / 0.080
G08     116.9          46.5               12.5 +/-    0.86      16.6 +/-    0.86  0.040 / 0.060
G09     209.1          83.0                8.3 +/-    1.22       8.4 +/-    1.22  0.140 / 0.220
G16     43.9           14.7                3.3 +/-    1.65       8.3 +/-    1.65  0.100 / 0.170
G23     150.5          54.5               10.6 +/-    0.72      12.6 +/-    0.72  0.040 / 0.060
G27     68.2           36.0                6.5 +/-    0.53      10.1 +/-    0.53  0.040 / 0.060
G28     227.8          12.2                1.8 +/-   10.09       4.7 +/-   10.09  0.210 / 0.490
G30     291.2          24.9                8.2 +/-    1.10      16.1 +/-    1.10  0.210 / 0.480