PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-22:43:00
G01     255.1          37.3                7.5 +/-    2.54      11.4 +/-    2.54  0.060 / 0.070
G03     316.5          39.6                4.7 +/-    1.78       6.9 +/-    1.78  0.060 / 0.080
G11     238.7          13.6                6.6 +/-    2.73      16.9 +/-    2.73  0.120 / 0.070
G14     56.7           42.7                6.0 +/-    1.26       8.4 +/-    1.26  0.080 / 0.060
G16     164.3          15.1                2.2 +/-   17.64       5.4 +/-   17.64  0.060 / 0.100
G22     308.6          62.0                4.9 +/-    0.86       5.4 +/-    0.86  0.070 / 0.080
G23     283.3          15.7                6.5 +/-    2.42      16.0 +/-    2.42  0.050 / 0.040
G26     140.7          34.7               10.5 +/-    0.81      16.7 +/-    0.81  0.040 / 0.030
G31     42.3           64.5                5.6 +/-    0.60       6.1 +/-    0.60  0.250 / 0.460
G32     74.2           25.2                6.8 +/-    1.15      13.3 +/-    1.15  0.180 / 0.440