PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/30-00:12:50
G01     314.8          25.9                4.5 +/-    1.38       8.5 +/-    1.38  0.110 / 0.180
G10     93.9           46.8                7.2 +/-    0.40       9.4 +/-    0.40  0.080 / 0.170
G11     292.4          27.1                5.7 +/-    1.24      10.7 +/-    1.24  0.040 / 0.050
G14     327.1          70.7                7.7 +/-    0.87       8.1 +/-    0.87  0.040 / 0.040
G18     292.1          47.4                6.6 +/-    0.82       8.6 +/-    0.82  0.060 / 0.160
G20     113.2          22.0                8.2 +/-    1.10      17.2 +/-    1.10  0.060 / 0.180
G22     305.4          16.8                3.9 +/-    1.19       9.2 +/-    1.19  0.190 / 0.420
G25     89.9           12.5                7.0 +/-    2.02      18.6 +/-    2.02  0.190 / 0.480
G31     172.8          53.2                9.8 +/-    1.02      11.9 +/-    1.02  0.090 / 0.160
G32     24.9           59.5                6.6 +/-    0.63       7.6 +/-    0.63  0.070 / 0.190