PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/18-00:12:40
G01     309.7          31.0                7.1 +/-    2.90      12.2 +/-    2.90  0.060 / 0.140
G10     102.1          43.2                9.3 +/-    0.72      12.9 +/-    0.72  0.060 / 0.140
G11     284.7          28.8                7.8 +/-    2.36      14.0 +/-    2.36  0.060 / 0.180
G14     352.4          68.0                7.1 +/-    0.74       7.6 +/-    0.74  0.060 / 0.210
G18     115.1          16.5                7.7 +/-    1.17      18.5 +/-    1.17  0.070 / 0.110
G22     308.1          22.3                5.9 +/-    1.46      12.2 +/-    1.46  0.080 / 0.090
G25     83.6           15.4                7.8 +/-    0.96      19.2 +/-    0.96  0.040 / 0.040
G31     175.3          58.1                9.6 +/-    0.86      11.1 +/-    0.86  0.030 / 0.040
G32     28.5           57.2                6.8 +/-    1.20       8.0 +/-    1.20  0.030 / 0.040