PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/26-00:28:00
G01     224.3          15.1                7.9 +/-    2.93      19.7 +/-    2.93  0.030 / 0.030
G03     281.0          68.3                5.7 +/-    0.60       6.1 +/-    0.60  0.030 / 0.030
G14     89.5           21.9                4.5 +/-    1.63       9.5 +/-    1.63  0.280 / 0.430
G16     150.9          45.5                8.8 +/-    1.19      11.8 +/-    1.19  0.270 / 0.440
G22     212.8          68.9                7.4 +/-    0.40       7.9 +/-    0.40  0.050 / 0.090
G23     308.8          38.3                5.0 +/-    1.54       7.5 +/-    1.54  0.080 / 0.090
G26     97.2           55.6                5.9 +/-    0.48       7.0 +/-    0.48  0.040 / 0.050
G31     45.3           32.6                4.0 +/-    1.03       6.7 +/-    1.03  0.040 / 0.070