PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-01:42:40
G01     220.1          10.8                6.3 +/-    1.01      17.3 +/-    1.01  0.040 / 0.040
G03     263.4          69.4                4.3 +/-    1.21       4.5 +/-    1.21  0.030 / 0.040
G09     299.6          13.7                2.0 +/-    3.33       5.0 +/-    3.33  0.180 / 0.350
G14     94.8           17.9                4.2 +/-    1.68       9.8 +/-    1.68  0.310 / 0.300
G16     147.0          51.1                6.3 +/-    0.60       7.9 +/-    0.60  0.040 / 0.040
G22     203.1          63.3                5.8 +/-    0.39       6.4 +/-    0.39  0.040 / 0.050
G23     313.1          42.6                4.2 +/-    0.84       5.8 +/-    0.84  0.120 / 0.240
G26     86.5           56.1                5.5 +/-    0.91       6.5 +/-    0.91  0.130 / 0.220
G31     47.7           28.4                2.0 +/-    1.42       3.7 +/-    1.42  0.200 / 0.350