PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/13-14:58:00
G01     251.4          36.2                9.0 +/-    2.18      14.0 +/-    2.18  0.090 / 0.100
G03     316.3          46.3                7.1 +/-    0.74       9.4 +/-    0.74  0.080 / 0.090
G11     236.8          11.9                8.1 +/-    2.83      21.6 +/-    2.83  0.050 / 0.070
G14     59.8           40.6                7.3 +/-    1.18      10.5 +/-    1.18  0.050 / 0.090
G18     218.2          27.0                8.8 +/-    3.23      16.4 +/-    3.23  0.070 / 0.080
G22     303.3          68.8                7.5 +/-    0.83       7.9 +/-    0.83  0.050 / 0.080
G23     285.6          18.1                1.5 +/-    7.19       3.5 +/-    7.19  0.070 / 0.090
G26     142.2          35.7               10.2 +/-    1.52      16.0 +/-    1.52  0.080 / 0.090
G31     41.4           61.8                7.4 +/-    0.41       8.2 +/-    0.41  0.390 / 0.450
G32     74.3           27.0                6.1 +/-    1.80      11.4 +/-    1.80  0.270 / 0.610