PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-01:27:50
G01     276.3          42.9                6.5 +/-    1.27       9.1 +/-    1.27  0.070 / 0.070
G03     314.6          23.7                5.8 +/-    2.47      11.8 +/-    2.47  0.060 / 0.070
G10     126.0          19.7                7.5 +/-    0.91      16.7 +/-    0.91  0.140 / 0.390
G11     257.4          21.6                7.5 +/-    6.02      16.0 +/-    6.02  0.150 / 0.440
G14     33.1           55.2                8.1 +/-    0.26       9.6 +/-    0.26  0.040 / 0.050
G18     239.3          42.7                9.1 +/-    1.21      12.6 +/-    1.21  0.040 / 0.050
G22     314.6          45.0                4.3 +/-    2.32       5.8 +/-    2.32  0.060 / 0.130
G25     58.9           18.1                4.6 +/-    1.10      10.7 +/-    1.10  0.070 / 0.130
G31     71.5           76.6                8.1 +/-    0.93       8.3 +/-    0.93  0.080 / 0.090
G32     59.2           35.8                5.1 +/-    1.28       7.9 +/-    1.28  0.060 / 0.080