PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-01:58:00
G01     303.9          35.4                5.8 +/-    2.30       9.1 +/-    2.30  0.090 / 0.120
G10     109.8          37.0                6.1 +/-    0.58       9.3 +/-    0.58  0.080 / 0.120
G11     276.7          28.1                6.5 +/-    1.09      11.9 +/-    1.09  0.040 / 0.050
G14     2.5            65.5                4.1 +/-    0.61       4.5 +/-    0.61  0.040 / 0.050
G18     269.8          50.4               10.2 +/-    9.94      12.8 +/-    9.94  0.090 / 0.140
G20     122.6          11.5                4.0 +/-    1.89      10.7 +/-    1.89  0.080 / 0.150
G22     310.9          28.2                3.9 +/-    0.93       7.1 +/-    0.93  0.060 / 0.070
G25     76.6           16.9                3.2 +/-    1.74       7.5 +/-    1.74  0.050 / 0.050
G31     160.2          69.5                5.7 +/-    0.68       6.1 +/-    0.68  0.070 / 0.090
G32     41.1           48.9                4.0 +/-    0.78       5.1 +/-    0.78  0.070 / 0.110