PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-00:27:50
G01     314.3          27.6                7.1 +/-    2.15      13.2 +/-    2.15  0.140 / 0.400
G10     94.2           45.5                8.1 +/-    0.38      10.8 +/-    0.38  0.200 / 0.460
G11     294.8          25.3                8.2 +/-    1.28      15.9 +/-    1.28  0.070 / 0.130
G14     320.6          70.6                7.5 +/-    0.79       7.9 +/-    0.79  0.100 / 0.170
G18     293.1          47.1                7.8 +/-    0.74      10.2 +/-    0.74  0.050 / 0.050
G20     113.7          21.0                9.5 +/-    1.56      20.4 +/-    1.56  0.050 / 0.080
G22     305.5          16.1                4.6 +/-    3.34      11.1 +/-    3.34  0.160 / 0.450
G25     93.7           12.3                6.7 +/-    2.29      17.8 +/-    2.29  0.160 / 0.480
G31     170.9          54.0               10.2 +/-    1.44      12.3 +/-    1.44  0.050 / 0.070
G32     23.7           60.2                6.8 +/-    0.44       7.7 +/-    0.44  0.050 / 0.080