PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-09:43:10
G01     106.1          25.9                5.4 +/-    1.10      10.3 +/-    1.10  0.090 / 0.280
G07     109.0          55.8                6.3 +/-    0.74       7.4 +/-    0.74  0.110 / 0.300
G08     41.7           18.1                4.3 +/-    0.96       9.9 +/-    0.96  0.040 / 0.050
G09     173.9          11.9                5.0 +/-    3.14      13.3 +/-    3.14  0.040 / 0.040
G11     86.5           41.4                5.7 +/-    0.56       8.1 +/-    0.56  0.040 / 0.050
G13     310.3          27.5                4.7 +/-    1.41       8.7 +/-    1.41  0.050 / 0.060
G17     205.6          41.0                6.5 +/-    1.55       9.3 +/-    1.55  0.060 / 0.070
G19     209.1          15.2                5.6 +/-    2.34      13.8 +/-    2.34  0.060 / 0.090
G28     320.7          61.1                4.3 +/-    0.86       4.8 +/-    0.86  0.080 / 0.140
G30     23.0           77.9                6.6 +/-    0.58       6.8 +/-    0.58  0.070 / 0.140