PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-04:12:40
G01     232.4          22.8                7.6 +/-    2.30      15.5 +/-    2.30  0.100 / 0.270
G03     304.4          59.6                4.2 +/-    1.05       4.8 +/-    1.05  0.120 / 0.260
G14     80.2           27.8                2.3 +/-    0.49       4.3 +/-    0.49  0.020 / 0.030
G16     156.5          35.2                6.2 +/-    1.26       9.8 +/-    1.26  0.030 / 0.040
G22     247.3          75.3                4.0 +/-    0.59       4.1 +/-    0.59  0.040 / 0.070
G23     300.3          30.2                4.6 +/-    0.79       8.0 +/-    0.79  0.050 / 0.050
G26     118.5          51.4                6.3 +/-    0.38       7.8 +/-    0.38  0.080 / 0.190
G31     41.4           42.3                2.3 +/-    0.64       3.2 +/-    0.64  0.080 / 0.170
G32     92.0           13.7                4.0 +/-    1.72      10.3 +/-    1.72  0.060 / 0.110