PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/27-02:42:50
G01     275.9          41.3                7.1 +/-    0.98      10.2 +/-    0.98  0.040 / 0.070
G03     314.7          24.1                5.2 +/-    1.95      10.3 +/-    1.95  0.040 / 0.060
G10     127.4          20.9                6.7 +/-    1.02      14.4 +/-    1.02  0.060 / 0.090
G11     252.4          22.7                5.6 +/-    1.68      11.6 +/-    1.68  0.050 / 0.090
G14     40.5           51.2                3.6 +/-    0.56       4.5 +/-    0.56  0.040 / 0.070
G22     314.5          47.4                4.9 +/-    1.16       6.3 +/-    1.16  0.040 / 0.080
G25     53.6           16.5                5.2 +/-    1.26      12.5 +/-    1.26  0.040 / 0.060
G26     153.6          20.1                6.5 +/-    1.74      14.2 +/-    1.74  0.040 / 0.060
G31     74.6           80.0                6.0 +/-    0.70       6.1 +/-    0.70  0.040 / 0.030
G32     58.7           37.6                3.9 +/-    0.67       5.9 +/-    0.67  0.020 / 0.030