PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-01:58:00
G03     232.9          66.0                4.5 +/-    0.96       4.9 +/-    0.96  0.050 / 0.070
G07     250.3          10.1               -7.8 +/-   12.52     -21.7 +/-   12.52  0.040 / 0.060
G09     305.6          21.2                1.9 +/-    3.05       4.0 +/-    3.05  0.070 / 0.170
G14     103.0          11.3                3.6 +/-    2.64       9.7 +/-    2.64  0.090 / 0.190
G16     133.3          60.6                5.6 +/-    1.26       6.4 +/-    1.26  0.030 / 0.040
G22     194.0          52.6                5.8 +/-    0.95       7.1 +/-    0.95  0.030 / 0.050
G23     321.0          50.7                2.5 +/-    1.19       3.1 +/-    1.19  0.120 / 0.300
G26     67.8           52.7                2.7 +/-    0.69       3.3 +/-    0.69  0.080 / 0.250
G31     52.9           20.2                0.8 +/-    1.05       1.6 +/-    1.05  0.170 / 0.230