PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-01:43:20
G01     277.0          41.6                5.8 +/-    1.75       8.2 +/-    1.75  0.070 / 0.080
G03     314.8          24.4                5.0 +/-    1.82       9.9 +/-    1.82  0.060 / 0.090
G10     127.0          20.1                8.1 +/-    1.41      17.7 +/-    1.41  0.050 / 0.070
G11     253.5          22.0                7.5 +/-    2.09      15.7 +/-    2.09  0.050 / 0.070
G14     37.3           53.1                6.3 +/-    0.39       7.7 +/-    0.39  0.090 / 0.090
G18     237.3          41.9                8.0 +/-    1.54      11.3 +/-    1.54  0.070 / 0.080
G22     314.5          46.8                3.5 +/-    2.29       4.6 +/-    2.29  0.130 / 0.410
G25     54.5           16.5                2.5 +/-    1.39       6.0 +/-    1.39  0.140 / 0.360
G31     68.8           77.2                4.3 +/-    0.94       4.4 +/-    0.94  0.090 / 0.250
G32     60.8           34.5                4.7 +/-    0.83       7.6 +/-    0.83  0.090 / 0.230