PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-01:43:10
G03     230.2          65.3                5.2 +/-    0.44       5.7 +/-    0.44  0.040 / 0.050
G09     306.2          21.9                2.4 +/-    0.78       5.1 +/-    0.78  0.040 / 0.060
G14     103.8          10.7                5.2 +/-    2.07      14.4 +/-    2.07  0.030 / 0.040
G16     129.8          61.7                8.2 +/-    0.75       9.2 +/-    0.75  0.030 / 0.030
G22     193.3          51.5                8.0 +/-    0.90       9.9 +/-    0.90  0.290 / 0.340
G23     321.9          51.7                3.5 +/-    1.06       4.3 +/-    1.06  0.230 / 0.190
G26     66.0           52.0                4.5 +/-    0.74       5.5 +/-    0.74  0.130 / 0.330
G31     53.6           19.2                1.9 +/-    3.06       4.2 +/-    3.06  0.160 / 0.390