PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-04:28:00
G01     223.3          14.2                7.0 +/-    2.91      17.8 +/-    2.91  0.060 / 0.210
G03     280.4          67.8                5.6 +/-    0.75       6.0 +/-    0.75  0.090 / 0.070
G09     297.1          11.7               -1.8 +/-   22.50      -4.8 +/-   22.50  0.040 / 0.030
G14     90.9           20.4                2.2 +/-    2.88       4.7 +/-    2.88  0.040 / 0.030
G16     148.2          47.5                9.3 +/-    0.95      12.2 +/-    0.95  0.240 / 0.210
G22     209.8          67.8                5.8 +/-    0.52       6.2 +/-    0.52  0.110 / 0.270
G23     309.3          38.7                3.1 +/-    1.20       4.6 +/-    1.20  0.050 / 0.070
G26     96.7           56.1                6.9 +/-    1.05       8.2 +/-    1.05  0.050 / 0.060
G31     45.7           31.7                1.5 +/-    1.83       2.6 +/-    1.83  0.040 / 0.060