PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/23-02:43:00
G01     286.1          40.9               -1.6 +/-    1.04      -2.3 +/-    1.04  0.070 / 0.100
G03     312.7          17.8                5.5 +/-    2.85      12.7 +/-    2.85  0.060 / 0.080
G10     122.2          26.9                6.1 +/-    1.28      11.4 +/-    1.28  0.050 / 0.080
G11     259.8          25.8                7.9 +/-    4.33      15.3 +/-    4.33  0.040 / 0.060
G14     31.2           55.7                4.0 +/-    0.80       4.8 +/-    0.80  0.040 / 0.060
G22     314.1          40.7                5.6 +/-    1.04       8.1 +/-    1.04  0.060 / 0.090
G25     60.7           17.7                5.4 +/-    1.02      12.6 +/-    1.02  0.070 / 0.130
G26     157.6          14.2                7.0 +/-    1.26      17.7 +/-    1.26  0.060 / 0.120
G31     125.2          80.7                6.7 +/-    0.74       6.8 +/-    0.74  0.060 / 0.050
G32     51.9           42.3                3.9 +/-    1.92       5.5 +/-    1.92  0.040 / 0.040